Can BAS Statements Be Used for a Home Loan?

Using BAS Statements for a Home Loan

Yes, BAS statements can sometimes be used for a home loan, especially if you are self-employed and applying through an alt doc, simple self-employed or specialist lending pathway.

However, BAS statements are not accepted by every lender. Many mainstream banks do not offer low doc or alt doc home loans at all. Other lenders may accept BAS statements as part of an alternative income verification process, often alongside an accountant’s declaration, business bank statements, ATO portal evidence, GST registration and other checks.

The key point is this: BAS statements usually help verify business turnover, not final taxable profit. A lender may use BAS to support income, confirm current trading, check GST turnover or validate that recent business activity is consistent with the income being declared. BAS statements are useful, but they are not a magic substitute for strong, consistent, verifiable business income.

This guide explains how Australian lenders may use BAS statements for self-employed home loans, alt doc mortgages, simple self-employed applications and income verification, based on current policy research.

Related research: Can BAS Statements Be Used for a Business Loan?

Can BAS statements be used for a home loan?

Yes, BAS statements can be used for some home loan applications.

They may be used to help verify self-employed income where:

• full tax returns are not yet available
• the most recent financial year is not lodged
• the business has current trading evidence
• the lender offers alt doc lending
• the lender has a simple self-employed policy
• the application is with a specialist lender
• the borrower has BAS lodged through the ATO
• business turnover supports declared income
• GST registration requirements are met
• other supporting documents are available

BAS statements are more common in alt doc and specialist lending than in standard full-doc lending.

What is a BAS statement?

BAS stands for Business Activity Statement.

A BAS is lodged with the Australian Taxation Office by businesses that need to report items such as:

• GST collected
• GST paid
• business sales
• PAYG withholding
• PAYG instalments
• other tax obligations

For home loan assessment, lenders usually focus on the business sales figures and whether the BAS supports the income being declared.

Why do lenders ask for BAS statements?

A lender may ask for BAS statements to check whether the business is trading consistently.

BAS can help show:

• recent business turnover
• GST reporting history
• whether revenue is ongoing
• whether sales support declared income
• whether the business is still active
• whether recent income is higher or lower than prior financials
• whether current trading supports the loan application
• whether income is trending up or down

BAS statements can be especially useful when the most recent tax returns do not fully reflect current business performance.

Are BAS statements the same as tax returns?

No.

BAS statements and tax returns are different.

A BAS statement usually reports business activity such as sales and GST.

A tax return reports taxable income after allowable expenses, deductions, depreciation and other adjustments.

This matters because a business can have high BAS turnover but low taxable profit.

For example, a builder may report strong sales on BAS but also have high material, subcontractor, insurance, equipment and labour costs.

A lender will usually want to understand both turnover and profit.

Do BAS statements prove income?

BAS statements can help support income, but they do not always prove net income by themselves.

A lender may still need:

• accountant’s declaration
• business bank statements
• business financial statements
• tax returns
• profit and loss statement
• ATO portal evidence
• income declaration
• GST registration evidence
• BAS lodgement confirmation
• explanation of expenses

BAS can support the income story, but the lender may not rely on BAS alone.

Can BAS statements replace tax returns?

Sometimes, but only with lenders that offer alt doc or alternative verification pathways.

Many mainstream lenders still require full financials, such as:

• business tax returns
• personal tax returns
• financial statements
• notices of assessment
• company or trust returns
• partnership returns
• accountant-prepared profit and loss statements

Other lenders may accept BAS statements under an alt doc policy, often with other documents.

Do all lenders accept BAS statements?

No.

Some lenders do not offer low doc or alt doc loans.

Based on current policy research, several major or mainstream lenders either do not offer low doc loans or have limited policy for low doc-style applications.

This means a borrower with BAS only may not qualify with every lender.

If you want to use BAS statements instead of full tax returns, lender selection is critical.

What is an alt doc home loan?

An alt doc home loan is a loan where income is verified using alternative documentation rather than full traditional tax returns and financial statements.

Alt doc evidence may include:

• BAS statements
• accountant’s declaration
• business bank statements
• ATO portal evidence
• income declaration
• GST registration
• director salary credits
• recent trading statements
• self-certification forms

Alt doc loans are often used by self-employed borrowers whose current business income is stronger than their latest lodged tax returns, or whose full financials are not yet ready.

Is alt doc the same as low doc?

The terms are often used loosely, but lender policy can treat them differently.

Historically, “low doc” often meant reduced documentation or self-certified income.

Modern alternative documentation usually still requires evidence. Lenders may ask for BAS, bank statements, ATO portal reports, accountant declarations and repayment history.

In practice, you should assume the lender will still verify income, debts, tax position and conduct.

Why some banks no longer offer low doc loans

Some mainstream lenders have moved away from low doc loans.

This means self-employed borrowers using BAS may need to consider:

• specialist lenders
• alt doc lenders
• non-bank lenders
• simple self-employed policies
• full-doc options with updated financials
• one-year financials, where available

A mainstream bank may still help if you have full documents, but may not accept a BAS-only application.

How many months of BAS do lenders need?

It depends on the lender.

Some alt doc policies may ask for six months of BAS.

Others may ask for 12 months of BAS.

Some may require the most recent BAS for the current financial year if the industry is considered higher risk.

Some full-doc policies may request BAS after the end of a financial year to support a more recent income figure.

Common BAS evidence periods may include:

• latest quarter
• most recent six months
• latest two quarters
• latest 12 months
• BAS from the most recent financial statements to the latest quarter
• current financial year BAS

The required period depends on the policy and purpose.

Can six months of BAS be enough?

Yes, with some lenders.

Based on current policy research, some alt doc policies allow six months of BAS as one alternative income verification method.

However, six months of BAS may not be enough by itself.

The lender may also require:

• income declaration
• accountant’s declaration
• ATO portal evidence
• GST registration
• business bank statements
• acceptable ABN history
• clean credit history
• acceptable LVR
• evidence of tax debt position

A six-month BAS pathway can be useful, but it still has conditions.

Can 12 months of BAS be required?

Yes.

Some lender policies refer to 12 months of BAS as an alternative income verification method.

A 12-month BAS period can give the lender a broader view of turnover and seasonality.

This may be helpful where:

• income fluctuates
• the business is seasonal
• the business has uneven quarterly sales
• the borrower is using specialist alt doc lending
• the lender wants a stronger trading history
• the application is larger or higher risk

Twelve months of BAS can be stronger than one or two quarters.

What if only one BAS is available?

One BAS may not be enough for many lenders.

A single BAS statement may show recent turnover, but it may not prove income stability.

The lender may ask:

• how long has the business been operating?
• are tax returns available?
• are business bank statements available?
• is the BAS quarterly or monthly?
• is the business seasonal?
• does the BAS align with declared income?
• is the income sustainable?
• can an accountant confirm income?

If you only have one BAS, options may be limited.

What if the business lodges BAS quarterly?

This is common.

If BAS is lodged quarterly, a lender may ask for the most recent one, two or four quarters depending on the policy.

The lender may also consider when the BAS becomes due.

Based on current policy research, some policy refers to BAS being required from the 30th day after each quarter, or the 60th day after the October to December quarter.

This timing matters because a lender may expect recent BAS to be available after the relevant lodgement window.

What if the business lodges BAS monthly?

Monthly BAS can provide more frequent current trading evidence.

A lender may still convert the data into a six-month or 12-month picture.

They may assess:

• total sales over the period
• GST reported
• consistency month to month
• seasonal changes
• whether income is trending up or down
• whether declared income is reasonable

Monthly BAS may help where income has recently improved, but the lender may still ask for other evidence.

What if the latest BAS is not lodged yet?

This can delay the application.

If the latest BAS period has ended but the BAS has not been lodged, the lender may ask for:

• lodged BAS
• ATO portal evidence
• accountant-prepared interim financials
• business bank statements
• explanation of timing
• evidence of current trading

Some policies allow accountant-prepared interim financials covering the same period in place of BAS, but this is lender-specific.

Can accountant-prepared interim financials replace BAS?

Sometimes.

Based on current policy research, some policy allows accountant-prepared interim financials covering the relevant period to be considered in lieu of BAS to support income.

This can be helpful where:

• BAS is not yet due
• BAS does not fully explain the business
• income needs to be supported after year-end
• the business has meaningful expenses
• the lender wants revenue and profit context

Interim financials can sometimes provide a better picture than BAS alone.

What if BAS supports higher recent income?

BAS may help support higher income where the business has improved.

For example, if last year’s tax return showed lower income but current turnover is stronger, BAS may support a more recent figure.

Some lender policies allow the most recent year’s higher income to be used where the increase appears ongoing and BAS supports annualised revenue at a required level.

However, a lender may still cap the increase or compare it against previous years.

What if business income has increased?

An income increase must usually be supported.

A lender may ask:

• why did income increase?
• is the increase sustainable?
• does BAS support the higher revenue?
• do bank statements support the turnover?
• are expenses also higher?
• is the business in the same activity?
• is there a new contract or client?
• is there an accountant explanation?

A strong BAS trend can help, but it should match the business story.

Can BAS help with an upward income trend?

Yes, in some cases.

Based on current policy research, some self-employed policy allows the most recent higher year to be used, subject to limits, where the increase is ongoing and year-to-date BAS for a minimum period supports revenue in line with the most recent year.

This type of policy can be useful where the business has grown and older income figures are no longer representative.

What if income has decreased?

BAS can also be used when income has decreased.

A lender may want to see whether the lower income is the new normal.

If the most recent year’s income has fallen significantly, the lender may ask for BAS to confirm that current revenue is still in line with the lower year.

This is especially relevant where cash out or equity release is being requested.

What if BAS shows declining sales?

Declining BAS turnover can make approval harder.

A lender may ask:

• why are sales falling?
• is the decline temporary?
• are expenses also falling?
• has a major client been lost?
• is the business seasonal?
• has the business changed direction?
• is the latest tax return still reliable?
• should a lower income be used?

Declining sales do not automatically mean decline, but they usually need explanation.

Can BAS help after the financial year ends?

Yes.

After the end of a financial year, the most recent lodged tax returns may not reflect the latest trading period.

A lender may ask for BAS from the period after the latest financial statements to the latest quarter.

This helps confirm that income has continued after the financial year.

It can be especially important where:

• the application is lodged months after year-end
• financials are old
• the business has changed
• income has moved up or down
• cash out is requested
• the lender needs current trading support

Related research: Self-Employed Home Loans: Which Australian Lenders May Accept 1-Year Financials, 1-Year ABNs or Alt Doc Income?

Can BAS be used if tax returns are pending?

Possibly.

If tax returns are pending, some lenders may consider other evidence, such as:

• draft tax returns
• accountant confirmation
• BAS
• interim financials
• business bank statements
• ATO portal evidence
• lodged prior year returns

However, some lenders may still require the final lodged returns and notices of assessment.

What if draft tax returns are available?

Draft tax returns can help where they are not yet lodged.

A lender may require:

• accountant confirmation that they will be unchanged when lodged
• BAS to support current trading
• notice of assessment later, where needed
• prior year financials
• business bank statements

A draft return is not the same as a lodged return, but it may be considered by some lenders.

Can BAS be used for full-doc self-employed loans?

Sometimes.

Even in full-doc applications, BAS may be requested as supporting evidence.

For example, BAS may be used to:

• confirm current trading
• support an upward trend
• support income after a recent year-end
• confirm revenue is still in line with tax returns
• verify a downward trend
• assess cash-out risk
• test whether the latest income is sustainable

So BAS can matter even if you are not applying for an alt doc loan.

Related research: Can You Get a Home Loan with Simple Self-Employed Verification?

What if the lender does not offer alt doc?

If the lender does not offer alt doc, BAS may not be enough.

You may need:

• two years of tax returns
• two years of financial statements
• personal tax returns
• notices of assessment
• company tax returns
• trust returns
• partnership returns
• accountant-prepared accounts
• current liabilities and tax debt evidence

BAS may support the file but not replace standard income verification.

What if the lender offers simple self-employed policy?

Some lenders have simple self-employed policies that are different from pure alt doc lending.

A simple self-employed policy may allow reduced documentation where the borrower meets certain conditions.

Based on current policy research, some simple self-employed policy can use the latest year where annualised total sales from the most recent six months BAS, excluding GST, equals or exceeds the gross takings declared on the latest tax return.

This type of policy is not always available for every loan purpose or scheme.

What is “simple self-employed” lending?

Simple self-employed lending is a lender-specific pathway for eligible self-employed borrowers.

It may be designed for borrowers who have:

• established ABN history
• lodged recent tax returns
• current business activity
• simple business structures
• acceptable industry type
• acceptable LVR
• clean credit conduct
• current BAS evidence
• income that can be verified without full two-year averaging

It is not the same as no-doc lending.

Can BAS be used for one-year financials?

BAS may help support a one-year financials policy.

Some lenders can use one year of financial statements if additional conditions are met.

BAS may be requested to confirm that recent trading after the financial year is consistent with the income being used.

This can help where:

• the business has been trading more than two years
• the latest year is representative
• income has increased
• the lender wants current trading evidence
• the borrower has a strong industry or profession

What if you have less than two years self-employed?

BAS may help, but lender options are limited.

Many lenders prefer at least two years self-employed history.

Some may accept one year or shorter periods for certain professionals or where the borrower has prior experience in the same field.

BAS can support current revenue, but the lender may still ask:

• how long has the ABN been active?
• when did GST registration start?
• what industry are you in?
• did you previously work PAYG in the same field?
• are full financials available?
• is income sustainable?
• is LVR conservative?

Does ABN history matter?

Yes.

Lenders often look at how long the ABN has been registered and active.

They may consider:

• ABN registration date
• business start date
• GST registration date
• industry
• business structure
• continuity of trading
• prior experience
• whether the business changed structure
• whether the borrower changed industries

BAS statements are stronger when the business has an established ABN history.

Does GST registration matter?

Yes, especially for alt doc loans.

Some alt doc policies require GST registration for a minimum period, such as six or 12 months, depending on the product and lender.

This matters because BAS is usually connected to GST reporting.

A lender may check:

• whether the business is GST registered
• when GST registration started
• whether GST is required for the turnover level
• whether BAS statements are lodged
• whether BAS aligns with business bank statements

If the business should be registered for GST but is not, this can create questions.

What if your business is not GST registered?

If the business is not GST registered, BAS may not be available or may be limited.

This can reduce alt doc options.

The lender may ask:

• is GST registration required?
• what is business turnover?
• is the business below the GST threshold?
• are tax returns available?
• are business bank statements available?
• can an accountant verify income?
• does the lender accept non-GST registered borrowers?

Some alt doc lenders require GST registration; others may have different evidence options.

What if you recently registered for GST?

A recent GST registration can limit options.

Some lender policies require GST registration for a minimum time before alt doc income can be used.

A lender may ask:

• when did GST registration start?
• was the business trading before GST registration?
• why was GST registration delayed?
• are tax returns available?
• are business bank statements available?
• has BAS been lodged for enough months?
• is turnover above the GST threshold?

The longer the clean BAS and GST history, the stronger the application.

What if your turnover is under the GST threshold?

If turnover is below the GST threshold, you may not lodge BAS in the same way.

A lender may need alternative evidence such as:

• tax returns
• financial statements
• accountant’s letter
• business bank statements
• invoices
• contracts
• profit and loss statements
• personal tax returns

Some alt doc BAS pathways may not be available.

What is ATO portal evidence?

ATO portal evidence is often used to confirm tax and lodgement information.

A lender may use it to verify:

• BAS lodgement
• business tax position
• integrated client account balance
• tax debt position
• GST registration
• ABN details
• payment arrangements
• whether lodgements are up to date

Based on current policy research, some alt doc lenders require BAS or business bank statements together with ATO portal evidence.

Why do lenders ask for ATO portal evidence?

A lender may ask for ATO portal evidence because BAS alone may not show whether the business has tax debts or whether lodgements are current.

ATO portal evidence can help confirm:

• the BAS was lodged
• the business is compliant
• tax debts are disclosed
• payment plans are in place
• GST reporting is current
• the borrower is not hiding arrears

A strong ATO position can support the application.

What if you have ATO debt?

ATO debt can affect BAS-based applications.

A lender may ask:

• how much is owed?
• is there a formal payment plan?
• are payments up to date?
• is the debt business or personal?
• are BAS lodgements current?
• are tax returns lodged?
• does the debt affect cash flow?
• will the debt be paid out?

Some alt doc lenders can consider ATO debt, but it needs to be disclosed and assessed.

What if BAS is lodged but ATO debt exists?

This is common.

A business may lodge BAS on time but still owe GST, PAYG or income tax.

A lender may consider whether the tax debt is:

• small
• large
• under payment arrangement
• up to date
• increasing
• being ignored
• due to recent growth
• part of normal business timing

If tax debt is material, it can reduce lender options.

Can BAS be used with business bank statements?

Yes.

Some alt doc policies allow income verification using business bank statements plus ATO portal evidence.

Business bank statements can help support BAS by showing actual trading credits.

A lender may compare:

• BAS total sales
• bank deposits
• business income credits
• merchant receipts
• invoice payments
• cash deposits
• withdrawals
• loan repayments
• tax payments
• business expenses

The figures should make sense together.

Related research: Can You Get a Home Loan with Overdrawn Bank Statements?

What if BAS does not match business bank statements?

This can create problems.

A mismatch may occur because:

• sales are recorded on accrual basis
• deposits are received later
• funds are transferred between accounts
• cash sales are not deposited regularly
• GST is included or excluded differently
• there are related-party payments
• loans or capital injections are mixed with revenue
• personal spending appears in business accounts

The lender may ask for an accountant explanation.

Can BAS be used with an accountant’s declaration?

Yes.

Some lenders may accept an accountant’s declaration as an alternative or supporting document.

The accountant may confirm:

• business income
• trading history
• profitability
• turnover
• expenses
• tax position
• BAS consistency
• business structure
• whether the income is ongoing

Some alt doc policies require a lender-specific accountant’s declaration template.

Is an accountant’s letter enough?

Sometimes, but not always.

Some lenders accept accountant’s letters under alt doc policy, while others require BAS or bank statements as well.

The accountant may also need to have acted for the borrower for a minimum period, such as 12 months, depending on lender policy.

An accountant’s letter is stronger when it is supported by BAS, bank statements and ATO evidence.

What if your accountant has not acted for you long enough?

Some lender policies require the accountant to have acted for the applicant for a minimum period before their verification can be accepted.

If your accountant is new, the lender may ask for:

• BAS statements
• business bank statements
• tax returns
• prior accountant information
• ATO portal evidence
• other income verification

A new accountant letter may carry less weight.

What is an income declaration?

An income declaration is a borrower statement of income used by some alt doc lenders.

It may need to be supported by other evidence, such as:

• accountant declaration
• BAS statements
• business bank statements
• ATO portal evidence
• director salary credits
• tax position confirmation

The lender will usually not rely on a bare income declaration without supporting documents.

What if declared income is higher than BAS suggests?

This can be a problem.

The lender may ask:

• why does declared income exceed BAS-supported turnover?
• are there other income sources?
• are sales understated?
• is the BAS incomplete?
• are figures GST-inclusive or exclusive?
• is the income annualised incorrectly?
• has the business changed?

If the declared income cannot be supported, the lender may reduce income or decline.

What if BAS shows high turnover but low profit?

A lender may not use high turnover as profit.

They may ask for:

• accountant declaration
• profit and loss statement
• expense breakdown
• bank statements
• tax return
• industry explanation
• gross margin evidence

High revenue alone does not prove the borrower can afford a mortgage.

What if the business has high expenses?

High expenses can reduce assessable income.

Examples include:

• wages
• subcontractors
• rent
• stock
• materials
• equipment hire
• insurance
• vehicle costs
• advertising
• merchant fees
• professional fees
• loan repayments

BAS may show sales, but expenses determine income available to the borrower.

Can BAS be annualised?

Sometimes.

A lender may annualise BAS turnover over a period such as six months.

For example, six months of BAS total sales may be doubled to estimate annual sales.

However, annualising BAS can be risky if the business is seasonal.

The lender may consider:

• industry seasonality
• historical turnover
• prior tax returns
• current contracts
• bank statements
• whether recent revenue is unusually high
• whether expenses are similar

Annualised BAS must be realistic.

What if the business is seasonal?

Seasonality is important.

A six-month BAS period may overstate or understate income if the business has seasonal trading.

Seasonal businesses may include:

• tourism
• agriculture
• retail
• construction
• events
• hospitality
• landscaping
• education-related services
• holiday accommodation

A lender may prefer 12 months of BAS or full financials for seasonal businesses.

What if the BAS period includes an unusual spike?

A lender may discount or question unusual spikes.

They may ask:

• was there a one-off contract?
• was there a large asset sale?
• was there a catch-up invoice?
• was revenue delayed from an earlier period?
• will the income continue?
• are expenses also delayed?
• does the next BAS support the trend?

One strong BAS quarter may not be enough to prove ongoing income.

What if BAS includes one-off income?

One-off income may not be accepted as ongoing business income.

The lender may ask whether the BAS includes:

• asset sales
• insurance payouts
• government grants
• one-off project invoices
• capital contributions
• sale of equipment
• related-party transfers
• non-operating receipts

If one-off income inflates turnover, the lender may reduce usable income.

What if BAS includes JobKeeper or government grants?

Government support payments can complicate the assessment.

A lender may ask:

• was the payment temporary?
• is the business now trading normally?
• does current BAS exclude temporary support?
• are tax returns affected?
• is income sustainable without the support?
• is the business still viable?

Temporary grants or subsidies may not be treated as ongoing income.

What if BAS includes GST?

Lenders may need to know whether figures are GST-inclusive or GST-exclusive.

Some simple self-employed policies refer to total sales excluding GST.

This matters because GST collected is not business profit.

A lender may focus on the relevant BAS labels and may use figures such as total sales from BAS, adjusted for GST depending on policy.

Incorrectly using GST-inclusive figures can overstate income.

What is G1 on a BAS?

G1 generally refers to total sales on the BAS.

Some lender policy may use total sales from G1, excluding GST, to compare against gross takings declared on tax returns.

This can help test whether recent trading is consistent with declared income.

However, G1 is not the same as taxable profit.

Can BAS be used for sole traders?

Yes, BAS can be used for sole traders where lender policy allows.

The lender may assess:

• ABN history
• GST registration
• BAS lodgement
• business bank statements
• personal tax returns
• business expenses
• accountant declaration
• tax debt position
• consistency of income

Sole traders should keep business and personal transactions as clear as possible.

Can BAS be used for company directors?

Yes, but the assessment can be more complex.

A company director may receive income through:

• director wages
• dividends
• trust distributions
• company profits
• drawings
• director loans
• retained earnings
• business sale proceeds

BAS may show company turnover, but it does not automatically prove the director’s personal income.

Can director salary credits be used instead of BAS?

Some alt doc policies may allow director salary credits as an alternative verification method.

Based on current policy research, some policy allows six months of personal bank statements showing regular weekly, fortnightly or monthly director salary credits, together with ATO portal evidence confirming tax debt position.

This can help where the director receives regular salary from the business.

What if the company has turnover but the director takes drawings?

Drawings can be harder to verify than wages.

The lender may ask:

• are drawings regular?
• are they supported by profit?
• are they treated as wages, dividends or loans?
• do financials support them?
• are tax obligations up to date?
• are there director loan accounts?
• does BAS support business activity?

An accountant’s explanation may be needed.

Can BAS be used for partnerships?

Yes, if the lender accepts BAS evidence and the partnership income can be attributed correctly.

The lender may assess:

• partnership agreement
• each partner’s share
• BAS turnover
• partnership tax return
• profit distribution
• expenses
• business bank statements
• accountant declaration
• liabilities

BAS turnover must be allocated correctly between partners.

Can BAS be used for trusts?

Yes, but trust structures can be more complex.

The lender may ask for:

• trust deed
• trustee details
• BAS statements
• trust tax returns
• distribution history
• business financials
• accountant declaration
• beneficiary details
• company trustee documents
• ATO portal evidence

BAS can support trust trading activity, but assessable income depends on distributions and structure.

Can BAS be used for companies?

Yes, but company turnover is not automatically the applicant’s income.

A lender may consider:

• company financials
• company BAS
• director wages
• dividends
• retained profit
• shareholder loans
• business liabilities
• tax debts
• trading history
• accountant declaration

BAS is one piece of the company income story.

Can BAS be used for contractors?

Possibly.

A contractor operating through an ABN may use BAS as part of self-employed income verification.

The lender may ask:

• is the contractor genuinely self-employed?
• how long has the ABN been active?
• are there contracts?
• is GST registered?
• are invoices consistent?
• are BAS statements lodged?
• are business bank credits regular?
• is the income dependent on one client?

Some PAYG-style contractors may have different documentation options.

Can BAS be used for tradies?

Yes, BAS may be useful for tradies applying as self-employed borrowers.

This may include:

• builders
• electricians
• plumbers
• carpenters
• concreters
• landscapers
• painters
• tilers
• roofers
• subcontractors
• sole traders

However, tradies may also have high business expenses, so BAS turnover alone may not prove income.

Can BAS be used for medical professionals?

Possibly.

Self-employed doctors, dentists, specialists and allied health professionals may use BAS or financials depending on lender policy.

Some lenders have more flexible self-employed policies for professional specialists, but they still need to verify income.

The lender may consider:

• trading history
• prior PAYG experience
• practice income
• service entity costs
• BAS revenue
• financial statements
• tax returns
• accountant confirmation

Professional status can help, but income evidence still matters.

Can BAS be used for consultants?

Yes, consultants may be able to use BAS where lender policy allows.

The lender may assess:

• contract history
• client concentration
• BAS turnover
• invoices
• business bank statements
• accountant declaration
• expenses
• ABN and GST history

Consultants with low overheads may find BAS turnover aligns more closely with income than businesses with heavy cost of sales.

Can BAS be used for online businesses?

Possibly.

An online business may have BAS, merchant statements and bank credits.

The lender may ask for:

• BAS statements
• business bank statements
• payment processor reports
• GST registration
• accountant declaration
• profit and loss
• tax returns
• evidence of ongoing sales

Online turnover can fluctuate, so consistency matters.

Can BAS be used for cash businesses?

Cash businesses can be harder.

A lender may want evidence that sales are properly recorded and banked.

They may ask for:

• BAS statements
• business bank statements
• accountant declaration
• tax returns
• point-of-sale reports
• deposit history
• cash handling explanation

If BAS shows sales but bank statements do not support them, the lender may ask questions.

What if your business income is paid into personal accounts?

This can complicate verification.

A lender may ask:

• why business income is not paid into a business account
• whether deposits are business income or personal transfers
• whether expenses are mixed
• whether BAS matches deposits
• whether tax returns support income
• whether accountant can explain the structure

Separate business accounts generally make BAS-based assessment cleaner.

What if business bank statements show poor conduct?

Poor business account conduct can hurt the application.

Issues may include:

• dishonours
• unpaid tax
• overdrawing
• payday-style business loans
• merchant cash advances
• returned payments
• constant negative balances
• unpaid suppliers
• heavy gambling or personal spending through business accounts

Even if BAS turnover is strong, poor conduct can reduce lender confidence.

What if personal bank statements show poor conduct?

Personal conduct matters too.

A lender may review:

• overdrawn accounts
• missed direct debits
• payday loans
• gambling
• excessive transfers
• unpaid bills
• credit card stress
• inconsistent income transfers
• insufficient savings

A BAS-based income application still needs clean personal conduct.

Can BAS be used if credit history is impaired?

Possibly, with specialist lenders.

Some specialist lenders offer alt doc products alongside credit impairment tiers.

The lender may assess:

• severity of credit issues
• BAS evidence
• LVR
• arrears history
• defaults
• tax debt
• income consistency
• exit strategy
• property security

A borrower with BAS income and credit issues will usually need more careful lender selection.

Does LVR matter for BAS-based lending?

Yes, LVR matters a lot.

Alt doc and BAS-based lending may have lower maximum LVRs than standard full-doc loans.

Based on current policy research, some specialist alt doc policies allow different maximum LVRs depending on product type, credit profile, refinance purpose and documentation.

A lower LVR can improve approval chances.

Can BAS be used above 80% LVR?

Sometimes, but options are more limited.

Higher LVR BAS-based applications may face:

• stricter documentation
• higher rates
• LMI or risk fee assessment
• lower maximum loan amounts
• tighter credit conduct requirements
• stronger tax debt checks
• more conservative income assessment

Some alt doc products may allow high LVRs, but not every borrower will qualify.

Can BAS be used for refinancing?

Yes, BAS may be used for refinance applications with lenders that accept alternative documentation.

The lender may assess:

• current loan conduct
• BAS income evidence
• ATO position
• business bank statements
• proposed refinance amount
• debt consolidation
• cash out
• LVR
• property value
• repayment history

Refinancing with BAS can be easier if the existing mortgage conduct is clean.

Can BAS be used for cash out?

Possibly, but cash out can make the application more sensitive.

A lender may ask:

• what is the cash-out purpose?
• is it business or personal?
• is the amount reasonable?
• does BAS support current income?
• are tax debts involved?
• is loan conduct clean?
• does LVR stay within policy?

Some policies require stronger current trading support when cash out is requested.

Can BAS be used for debt consolidation?

Possibly.

A BAS-based debt consolidation refinance may be possible, but lender scrutiny can be higher.

The lender may review:

• debts being consolidated
• repayment history
• credit conduct
• whether debts will be closed
• business cash flow
• tax debts
• whether the consolidation is responsible
• whether the new loan services

Some simple self-employed pathways may not be available where personal debt consolidation is involved.

Can BAS be used for a purchase?

Yes, if the lender accepts BAS-based income evidence.

The lender may assess:

• deposit source
• genuine savings
• BAS evidence
• business trading history
• tax position
• income consistency
• property type
• LVR
• credit conduct
• funds to complete

A purchase can be harder if the borrower is relying on high-LVR lending and limited income documents.

Can BAS be used for investment loans?

Yes, with suitable lenders.

The lender may assess:

• BAS-supported self-employed income
• rental income
• existing debts
• business liabilities
• tax debt
• investment property expenses
• proposed investment loan repayment
• LVR
• interest-only request

BAS can support income, but investment lending still needs strong servicing.

Can BAS be used for construction loans?

Possibly, but construction loans can be more sensitive.

The lender may assess:

• self-employed income
• BAS evidence
• building contract
• funds to complete
• contingency
• progress payment servicing
• existing debts
• tax position
• current trading
• valuation on completion

Some alt doc lenders may restrict construction lending, so policy needs to be checked.

Can BAS be used for commercial loans?

Yes, BAS is commonly relevant in commercial and business lending.

Some lenders offer alt doc residential, commercial and SMSF product suites.

For commercial loans, BAS may help verify:

• business turnover
• trading history
• GST position
• tax lodgements
• ability to service commercial debt
• business cash flow

Commercial lending may have different requirements from residential home loans.

Can BAS be used for SMSF loans?

Sometimes, with specialist lenders.

If the borrower or related business income is being verified using alt doc, BAS may be part of the evidence.

However, SMSF loans also require:

• fund documents
• bare trust documents
• contributions evidence
• rental income evidence
• liquidity checks
• investment strategy
• related-party rules
• specialist compliance review

BAS can be one part of a broader SMSF lending assessment.

What if the BAS is amended?

An amended BAS can raise questions.

A lender may ask:

• why was it amended?
• what changed?
• did sales increase or decrease?
• was there an error?
• has the ATO accepted the amendment?
• are tax obligations up to date?
• does the amendment affect income?

A simple correction may be acceptable, but repeated amendments can reduce confidence.

What if BAS lodgements are late?

Late BAS lodgements can affect approval.

The lender may ask:

• why lodgements were late
• whether all BAS are now lodged
• whether penalties apply
• whether there is tax debt
• whether the business is well managed
• whether the accountant is involved
• whether cash flow is under pressure

On-time lodgements are stronger.

What if BAS payments are late?

Late BAS payments can indicate tax debt.

The lender may review:

• ATO integrated account
• payment plan
• current tax balance
• BAS lodgement status
• whether repayments are up to date
• business cash flow
• explanation

A lodged BAS with unpaid GST may still create a liability.

What if the ATO portal shows a payment plan?

This may be acceptable with the right lender.

The lender may ask for:

• ATO payment arrangement
• current balance
• repayment amount
• repayment history
• evidence payments are current
• explanation of tax debt
• accountant letter

The repayment may need to be included in servicing.

What if BAS figures are inconsistent with tax returns?

This needs explanation.

A lender may ask:

• are BAS figures GST-inclusive?
• were there one-off sales?
• were expenses unusually high?
• did the business change structure?
• are tax returns lodged correctly?
• did turnover relate to another entity?
• has an accountant reconciled the figures?

Inconsistency does not automatically mean decline, but it must be explained.

What if BAS belongs to a different entity?

The lender needs the correct entity.

For example, the BAS may be lodged by:

• sole trader
• partnership
• company
• trust
• trustee company
• related entity
• service entity

If the borrower receives income from a different entity, the lender must understand the relationship.

Entity structure matters.

What if the business changed structure?

A business may move from sole trader to company, partnership to company, or one trust structure to another.

A lender may ask:

• when did the structure change?
• is the business activity the same?
• is ABN continuity clear?
• are clients and contracts the same?
• are BAS lodged under old and new entities?
• are financials available for both?
• can the accountant explain the change?

BAS under multiple entities can still be useful if continuity is clear.

What if you changed industries?

A lender may be more cautious if you recently became self-employed in a new industry.

They may ask:

• what previous experience you have
• whether income is stable
• whether BAS supports current turnover
• whether contracts are ongoing
• whether profit is sustainable
• whether the business has enough trading history

Prior PAYG experience in the same field can help with some policies.

What if you have a new business?

A new business may have limited options.

BAS may show current turnover, but lenders often want:

• established trading history
• ABN history
• GST registration history
• prior industry experience
• tax returns
• business bank statements
• accountant confirmation
• conservative LVR

A new business with only a few months of BAS is harder than an established business with multiple years of trading.

What if the business recently bought another business?

BAS may need more context.

The lender may ask:

• when the acquisition occurred
• whether revenue is from the old or new business
• whether financials are available
• whether contracts transferred
• whether goodwill was purchased
• whether debt was used
• whether BAS includes both businesses
• whether income is sustainable

Business acquisitions can make BAS harder to interpret.

What if the business recently lost a major client?

BAS can reveal the impact.

The lender may ask:

• when the client was lost
• whether revenue has dropped
• whether replacement clients exist
• whether future contracts are signed
• whether tax returns are still representative
• whether income should be reduced

Current BAS may be more important than older financials in this scenario.

What if BAS shows current income is stronger than tax returns?

This can help, but it does not guarantee approval.

The lender may still assess:

• whether the increase is sustainable
• whether expenses have changed
• whether profit increased, not just turnover
• whether the industry is stable
• whether the business bank statements support it
• whether the latest BAS period is representative
• whether income is capped under policy

BAS can support a stronger case when used carefully.

What if BAS shows current income is weaker than tax returns?

The lender may reduce income.

If current BAS suggests revenue has fallen, the lender may not rely on older higher tax returns.

They may ask:

• why current turnover is lower
• whether the downturn is temporary
• whether expenses have reduced
• whether contracts are pending
• whether a lower income should be used
• whether the loan still services

Current weakness can override older strong income.

Can BAS support income during an economic downturn?

Sometimes.

If the business has recovered after a downturn, BAS can help show current revenue.

The lender may want:

• recent BAS
• year-on-year comparison
• business bank statements
• accountant commentary
• contract pipeline
• explanation of recovery
• evidence tax debts are controlled

BAS can be useful where historical financials include unusual low-income periods.

Can BAS support income after a maternity or parental leave period?

Possibly, if the borrower is self-employed and the business income has returned.

The lender may ask:

• current BAS
• business bank statements
• financials before and after leave
• accountant explanation
• current trading evidence
• whether the borrower is back working
• whether income is sustainable

Self-employed income interruptions need careful documentation.

Related research: Can You Get a Home Loan While on Maternity Leave or Parental Leave?

Can BAS support income after illness or time off?

Possibly.

If trading was interrupted and has resumed, BAS can help show current activity.

The lender may ask:

• why income dropped
• when work resumed
• current BAS
• bank statements
• accountant explanation
• current contracts
• whether income is stable again

Temporary disruptions should be explained clearly.

What if BAS shows no sales?

A BAS showing no sales is a concern if the business income is being used.

The lender may ask:

• why there were no sales
• whether the business stopped trading
• whether income came from another entity
• whether the BAS was lodged incorrectly
• whether the borrower is relying on other income
• whether trading has resumed

No-sales BAS can make self-employed income difficult to use.

What if the BAS is nil because income is GST-free?

This needs explanation.

Some businesses may have GST-free sales or reporting differences.

The lender may need an accountant to explain:

• business activity
• revenue type
• GST status
• BAS reporting
• tax returns
• bank credits
• income sustainability

A nil or low BAS does not always mean no income, but it must be supported.

What if the business is below GST threshold but profitable?

The lender may need full-doc or other evidence.

BAS may not be available, so alternatives may include:

• tax returns
• financial statements
• accountant letter
• business bank statements
• invoices
• contracts
• profit and loss
• personal tax return

Some alt doc BAS pathways may not suit low-turnover, GST-unregistered businesses.

Can BAS be used where income is mainly cash flow but not profit?

No, cash flow alone may not be enough.

A lender ultimately needs to determine income available to repay the home loan.

They may consider:

• revenue
• gross profit
• net profit
• drawings
• wages
• add-backs
• tax debts
• business liabilities
• recurring expenses

BAS turnover is only one part of income assessment.

Can lenders shade BAS income?

Yes, some lenders may apply shading, caps or conservative treatment to self-employed income.

A lender may:

• use only a percentage of verified income
• cap increases above prior years
• use lower of declared and verified income
• exclude one-off income
• include business liabilities
• reduce income where expenses are unclear
• require stronger evidence at higher LVR

This is why BAS-supported income may be lower than expected.

Can BAS be used with add-backs?

Possibly, but add-backs are usually based on financial statements and tax returns.

Common self-employed add-backs may include:

• depreciation
• interest
• one-off expenses
• non-recurring expenses
• wages to non-borrowing related parties, in some cases
• private use adjustments

BAS does not usually show enough detail to calculate add-backs properly.

What if the business has loans or overdrafts?

Business liabilities still matter.

The lender may assess:

• business overdrafts
• equipment loans
• car loans
• credit cards
• tax debts
• trade finance
• merchant cash advances
• leases
• director loans

BAS turnover may be strong, but existing business debts can reduce available income.

What if you have a business overdraft?

A business overdraft can affect servicing.

The lender may ask:

• approved limit
• current balance
• whether it is seasonal
• whether it is secured
• whether the business can service it
• whether it appears in financials
• whether tax debt exists

The overdraft may need to be included even where BAS income is accepted.

What if you have equipment finance?

Equipment finance can reduce assessable income or create a commitment.

The lender may ask for:

• repayment schedule
• balance
• business financials
• lease documents
• whether expense is already in profit and loss
• whether the borrower is personally liable

Business asset finance should be disclosed clearly.

Can BAS be used if you have a merchant cash advance?

Merchant cash advances can be a concern.

A lender may ask:

• what is the advance balance?
• how repayments are deducted
• whether sales are being used to repay it
• whether it indicates cash-flow pressure
• whether BAS revenue is net or gross of deductions
• whether the advance is ongoing

These facilities can complicate BAS-based income assessment.

What if BAS is supported by invoices?

Invoices can help explain revenue, but they may not replace BAS or bank statements.

A lender may use invoices to understand:

• major clients
• contract income
• payment timing
• one-off projects
• seasonal revenue
• customer concentration

However, invoices are usually weaker unless matched to bank credits and BAS.

What if BAS is supported by contracts?

Contracts can help show income is ongoing.

The lender may consider:

• contract term
• contract value
• client quality
• renewal history
• whether work is already underway
• whether invoices have been paid
• whether BAS supports revenue
• whether expenses are known

Contracts are useful, but lenders usually prefer evidence of actual received income.

What if BAS is supported by point-of-sale reports?

Point-of-sale reports can help for retail or hospitality businesses.

The lender may ask whether POS reports match:

• BAS sales
• bank deposits
• merchant settlements
• tax returns
• accountant records

POS reports can support the story, but they are usually not enough alone.

What if BAS is supported by merchant statements?

Merchant statements can be useful for card-heavy businesses.

They may show:

• customer receipts
• daily sales
• refunds
• merchant fees
• settlement amounts
• seasonal trading
• business activity

The lender may compare merchant statements with BAS and bank statements.

What if BAS is used with a lender-specific form?

Some alt doc lenders require their own forms.

These may include:

• income declaration
• accountant declaration
• borrower repayment declaration
• self-employed declaration
• business activity confirmation
• tax debt declaration
• accountant letter template

Using the lender’s required template can prevent delays.

What if your accountant refuses to sign a lender declaration?

This happens.

Accountants may be reluctant to certify income if they feel it exposes them to risk.

If the accountant will not sign, alternative evidence may include:

• BAS statements
• business bank statements
• ATO portal evidence
• lodged tax returns
• interim financials
• profit and loss statements

The available options depend on lender policy.

What if the lender needs the accountant to have acted for 12 months?

Some policies require this for accountant verification.

If your accountant is new, BAS or bank statement pathways may be more suitable.

You may need:

• six months BAS
• 12 months BAS
• business bank statements
• ATO portal evidence
• previous accountant records
• lodged tax returns

A new accountant cannot always verify income under policy.

What if tax returns show lower income than BAS?

The lender may ask why.

Possible explanations include:

• business has grown recently
• expenses were higher last year
• one-off deductions reduced taxable income
• depreciation reduced profit
• income was delayed
• the prior year was affected by illness or downtime
• BAS includes gross turnover, not net profit

A lender may still use lower tax return income if BAS does not prove net profit.

What if tax returns are old?

Older tax returns may need BAS support.

A lender may ask for BAS after the latest financial statements to confirm current trading.

This can be important if:

• the application is lodged late in the financial year
• the latest tax returns are more than 12 months old
• income has changed
• the business is volatile
• cash out is requested
• LVR is high

Current trading evidence can prevent the lender relying on stale figures.

What if latest financials are not available?

Options may include:

• waiting for financials
• using draft financials, if accepted
• using BAS and alt doc policy
• using accountant-prepared interim financials
• using business bank statements
• choosing a specialist lender
• using one-year financials, if available

The best option depends on urgency, income level, LVR and lender policy.

Can BAS help if your accountant has not finalised tax returns?

Yes, but only with suitable lenders.

The lender may still ask:

• when returns will be lodged
• whether draft figures are final
• whether BAS supports current turnover
• whether tax debts exist
• whether financials are prepared by an accountant
• whether income is sustainable

BAS can bridge the timing gap, but it may not replace lodged returns for every lender.

What if your BAS is ready but not paid?

The lender may distinguish between lodgement and payment.

A lodged BAS shows the business reported activity.

An unpaid BAS may create ATO debt.

The lender may ask:

• how much is owed?
• whether there is a payment plan
• whether payments are up to date
• whether tax debt affects servicing
• whether the business has cash-flow pressure

Tax payment status matters.

What if BAS income is needed for a high loan amount?

Higher loan amounts usually require stronger evidence.

A lender may request:

• longer BAS history
• accountant declaration
• business bank statements
• ATO portal evidence
• tax returns
• interim financials
• lower LVR
• clean repayment conduct
• stronger credit profile

The larger the loan, the more scrutiny the income may receive.

What if the lender accepts BAS but charges a higher rate?

Alt doc and specialist loans can have different pricing from full-doc loans.

A BAS-based loan may have:

• higher interest rate
• risk fee
• lower maximum LVR
• stricter credit conduct requirements
• different refinance options
• more conditions

This is not always the case, but borrowers should compare the cost of alt doc lending against waiting for full financials.

Is it better to wait for tax returns?

Sometimes.

Waiting for full tax returns may help if:

• the returns show strong income
• the lender options would improve
• the rate would be lower
• LVR could be higher
• documentation would be simpler
• alt doc pricing is too high
• BAS income is inconsistent

However, using BAS may help if:

• income has improved
• full returns are delayed
• you need to buy now
• a specialist lender can accept the file
• the application is urgent

The best path depends on the borrower’s situation.

Can you refinance from alt doc to full doc later?

Possibly.

Some borrowers use an alt doc loan first, then refinance later when full tax returns are available.

This may help if:

• the borrower needs finance now
• business income is strong but not yet lodged
• LVR is acceptable
• loan conduct is clean
• tax returns later support the income
• the borrower wants a mainstream rate later

There is no guarantee of future refinance, so the first loan must still be suitable.

What if the BAS-based loan is only a short-term solution?

This can be considered, but it should be realistic.

A broker may help plan:

• when financials will be available
• likely refinance options
• expected tax return income
• exit costs
• interest rate difference
• loan conduct requirements
• LVR after settlement
• property value assumptions

You should not rely on a future refinance unless the plan is credible.

Does BAS affect genuine savings?

Not directly.

BAS verifies business activity, not savings.

The lender will separately assess:

• deposit source
• savings history
• bank statements
• business funds used for deposit
• retained earnings
• director loans
• tax obligations
• gift funds
• sale proceeds

If deposit funds come from the business, the lender may ask whether taking those funds affects trading.

Can business funds be used as deposit?

Possibly.

A self-employed borrower may use business funds for deposit, but the lender may ask:

• does the business still have enough working capital?
• are tax debts up to date?
• are funds owed to the company?
• are they drawings, wages, dividends or loans?
• does the accountant confirm the funds can be used?
• will using the funds affect business operations?

BAS and ATO evidence may be relevant if business funds are used.

What if the deposit comes from retained business earnings?

This can be acceptable if documented.

The lender may ask for:

• business bank statements
• financial statements
• accountant confirmation
• tax debt position
• explanation of funds transfer
• company or trust documents
• evidence of ownership

Retained earnings should be separated from tax money and working capital.

Can BAS be used if you have no accountant?

It may be harder.

Many alt doc pathways rely on accountant declarations, accountant-prepared financials or accountant explanations.

If you do not have an accountant, a lender may rely more on:

• BAS
• business bank statements
• ATO portal evidence
• lodged tax returns
• software reports
• invoices
• contracts

However, accountant involvement often makes the application stronger.

What if you use accounting software?

Accounting software reports may help, but they may not replace BAS or tax returns.

A lender may ask whether reports are:

• accountant-prepared
• reconciled
• supported by bank statements
• consistent with BAS
• up to date
• showing profit and loss
• showing balance sheet items

Software reports are useful, but lender policy determines whether they can be accepted.

What if BAS figures are prepared by your bookkeeper?

Bookkeeper-prepared BAS can be acceptable if lodged with the ATO, but the lender may still want ATO evidence.

They may ask:

• are BAS lodged?
• who prepares them?
• does the accountant review them?
• do figures reconcile to financials?
• are bank statements consistent?
• are ATO accounts current?

A lodged BAS is stronger than an internally prepared draft.

What if the BAS is not lodged through the ATO?

A draft BAS or internal report is weaker.

A lender may ask for lodged BAS confirmation or ATO portal evidence.

If BAS has not been lodged, the lender may not rely on it.

They may request:

• lodged BAS
• interim financials
• business bank statements
• accountant declaration
• tax returns

The lender needs verifiable documents.

What if BAS lodgement is through a tax agent?

This is common.

The lender may ask for:

• BAS documents
• ATO portal extract
• tax agent confirmation
• accountant declaration
• integrated client account
• lodgement receipt

Tax-agent lodgement can help establish credibility where documents are complete.

Can BAS be used if the business has multiple bank accounts?

Yes, but the lender may need all relevant accounts.

They may ask for:

• trading account statements
• merchant account statements
• savings or tax account statements
• loan account statements
• director drawings account
• personal account receiving income
• business credit card statements

If BAS revenue is spread across accounts, the evidence should reconcile.

What if BAS turnover is split across entities?

The lender needs to understand the structure.

This may happen with:

• service entities
• trading companies
• family trusts
• related companies
• franchise structures
• contractor entities
• property holding entities

A BAS from one entity may not prove income in another entity unless the relationship is documented.

What if the business has a franchise?

A franchise business may provide strong records, but the lender still assesses income.

They may request:

• BAS
• franchise agreement
• financials
• bank statements
• accountant declaration
• royalty or franchise fee details
• profit and loss
• tax returns

BAS turnover must be considered after franchise costs and expenses.

What if the business has large subcontractor costs?

Large subcontractor costs can reduce profit.

A lender may ask for:

• financial statements
• profit and loss
• subcontractor expense breakdown
• accountant declaration
• tax returns
• business bank statements

BAS turnover alone may overstate income where subcontractor costs are high.

What if the business has inventory or stock costs?

Inventory-heavy businesses can have high revenue but lower margins.

The lender may need to understand:

• cost of goods sold
• inventory purchases
• gross profit margin
• stock finance
• supplier debt
• cash flow
• BAS turnover
• net profit

BAS sales do not show all these details.

What if the business has wages and staff?

Staff costs can materially reduce income.

The lender may review:

• payroll obligations
• PAYG withholding
• superannuation obligations
• wages expense
• business financials
• BAS and activity statements
• profit and loss

A business with staff needs more than turnover evidence.

What if the business has no employees?

A sole operator with low overheads may be easier to assess from BAS and bank statements.

The lender may still want:

• accountant declaration
• expenses evidence
• tax position
• business bank statements
• ABN and GST history
• income consistency

Low overheads can help, but they should be explained.

What if BAS shows sales but there are no wages to the owner?

This can happen if the owner takes drawings or distributions.

The lender may ask:

• how does the owner get paid?
• are drawings regular?
• are profits retained?
• are dividends paid?
• are distributions made?
• are personal expenses paid by the business?
• does the structure support personal income?

BAS turnover must translate into borrower income.

Can BAS help if income is paid irregularly?

Yes, BAS can help show business revenue even if personal drawings are irregular.

The lender may still ask:

• why drawings are irregular
• whether income is sustainable
• whether the borrower can meet monthly repayments
• whether business cash flow supports regular mortgage payments
• whether expenses are lumpy
• whether savings buffers exist

Irregular drawings may need a stronger explanation.

What if the borrower pays themselves only at year-end?

This can be harder.

The lender may need to rely on business profit rather than regular salary credits.

They may ask for:

• financial statements
• BAS
• accountant declaration
• tax returns
• business bank statements
• retained earnings evidence
• drawings history

If regular income is not visible, the file may need full-doc evidence.

What if the business is profitable but cash is retained?

Retained profits can support income if the borrower has access to them and ownership allows it.

The lender may assess:

• ownership percentage
• company or trust structure
• retained earnings
• working capital needs
• tax liabilities
• whether profits can be distributed
• accountant confirmation
• business debt

BAS does not prove retained profit by itself.

What if you own less than 50% of the business?

This can be more difficult.

A lender may only use income in line with ownership rights.

If you hold a minority share and other shareholders are not your spouse, company profits may need to be supported by actual dividends or distributions received.

BAS turnover for the whole business may not represent your personal income.

What if your spouse also owns the business?

If both spouses are applicants and own the business together, the lender may assess the combined ownership and income.

They may still need:

• BAS
• tax returns
• financial statements
• accountant declaration
• company or trust documents
• business liabilities
• personal income split

Ownership and borrower structure must align.

Can BAS help if one spouse is not on the loan?

Possibly, but income and liabilities need to be attributed correctly.

The lender may ask:

• who owns the business?
• who receives income?
• who is liable for business debts?
• is the non-borrowing spouse a director?
• are distributions shared?
• is income being used by the applicant?

If the applicant does not receive the income, BAS may not help.

What if BAS income is from a side business?

A side business can be used only if lender policy accepts it.

The lender may ask:

• how long the side business has traded
• whether it is sustainable
• whether the borrower has time to operate it
• whether BAS supports revenue
• whether expenses are declared
• whether tax returns include it
• whether it is secondary income

Side-business income may be treated more conservatively than main business income.

What if BAS shows income from multiple activities?

The lender may ask for a breakdown.

For example, the BAS may include sales from:

• consulting
• online sales
• rental activity
• subcontracting
• trade services
• coaching
• asset sales
• related-party income

If one activity is not ongoing, the lender may exclude that part.

What if the business has rental income in BAS?

Rental income may need to be removed from self-employed income and assessed separately.

Some lender policies exclude rental income from self-employed business income calculations to avoid double counting.

The lender may separately assess rental income using lease or rental appraisal evidence.

What if BAS includes income from property development?

Property development income may be treated differently.

A lender may ask:

• is the business a developer?
• was income from one-off sale of property?
• is it recurring?
• are profits sustainable?
• is the loan purpose related to development?
• is commercial lending needed?

One-off development income may not be treated as ongoing self-employed income.

What if the business has changed ABN?

ABN changes need explanation.

A lender may ask:

• why the ABN changed
• whether the business activity continued
• whether ownership changed
• whether GST registration continued
• whether BAS under both ABNs is available
• whether the customer base is the same
• whether income continuity is clear

Consecutive ABN structures may be acceptable with some alt doc lenders, but policy varies.

What if the business recently deregistered and re-registered?

This can make approval harder.

The lender may ask:

• why the registration changed
• whether debts were left behind
• whether trading continued
• whether tax lodgements are up to date
• whether the new entity is profitable
• whether BAS evidence is continuous

Gaps in registration can reduce confidence.

What if your BAS shows income but tax returns show a loss?

This is a common issue.

A lender may be cautious because BAS shows turnover, not profit.

They may ask:

• why the business made a loss
• whether the loss was one-off
• whether expenses have reduced
• whether current BAS supports recovery
• whether interim financials show profit
• whether tax returns are still representative

If the business is loss-making, BAS alone may not be enough.

What if financial statements show add-backs but BAS does not?

Add-backs usually require financial statements.

BAS may support turnover, but it does not show detailed deductions such as depreciation or interest.

If add-backs are needed to make income service, the lender may require full financials.

What if your business profit is strong but BAS turnover is low?

This can happen in high-margin businesses or where BAS reporting is unusual.

The lender may ask for:

• accountant explanation
• financial statements
• tax returns
• bank statements
• invoices
• GST explanation
• business model details

The lender needs documents that match the income being used.

What if BAS does not show the true income cycle?

Some businesses invoice in large lump sums or receive milestone payments.

The lender may ask for:

• contracts
• invoices
• bank statements
• work-in-progress report
• accountant explanation
• prior year BAS
• 12-month trading history

This helps avoid over-relying on one unusual period.

What if the business has long debtor collection periods?

BAS may show sales before cash is received.

The lender may ask whether:

• invoices have been paid
• debtors are collectible
• cash flow is strong enough
• business bank statements support income
• there are unpaid invoices
• working capital is adequate

Accrual-based sales can overstate cash available in the short term.

What if the business uses cash accounting?

Cash accounting may align BAS more closely with bank deposits.

However, the lender may still ask for:

• bank statements
• tax returns
• profit and loss
• accountant declaration
• explanation of expenses

Cash accounting does not remove the need to assess profit.

Can BAS be used if income is paid through platforms?

Yes, but platform income may need to be matched to BAS and bank credits.

This may apply to:

• Uber-style income
• delivery platforms
• marketplace sales
• freelancing platforms
• payment processors
• online stores
• booking platforms

The lender may request platform statements and bank credits in addition to BAS.

What if BAS is not enough to pass servicing?

Options may include:

• waiting for stronger financials
• using one-year financials if available
• choosing an alt doc lender
• reducing loan amount
• reducing debts
• increasing deposit
• using acceptable rental income
• using spouse income
• paying out tax debt
• refinancing later when full docs are ready

A broker can model the best pathway.

What if BAS income is accepted but rate is higher?

You may still decide it is worthwhile if the property purchase or refinance is time-sensitive.

However, compare:

• monthly repayment
• total interest cost
• fees
• risk fees
• LVR
• refinance plan
• future full-doc options
• cost of waiting

Sometimes waiting for tax returns is cheaper. Sometimes acting now is more important.

What documents should you prepare?

For a BAS-based application, prepare:

• BAS statements for the required period
• ATO portal evidence
• ABN and GST registration details
• business bank statements
• accountant declaration, if required
• income declaration, if required
• personal tax returns, if available
• business tax returns, if available
• notices of assessment, if available
• profit and loss statement
• balance sheet
• business debt schedule
• ATO payment plan, if any
• explanation of income trends

The exact documents depend on the lender and product.

What should a BAS statement show?

A useful BAS should show:

• business name
• ABN
• reporting period
• total sales
• GST collected
• GST credits
• net GST payable or refundable
• PAYG withholding, if applicable
• lodgement status
• payment status, where available
• consistency with business bank statements

The lender needs to verify the BAS relates to the correct business and period.

What should ATO portal evidence show?

ATO portal evidence may show:

• BAS lodgement history
• integrated client account balance
• tax debt position
• GST registration
• ABN details
• payment arrangements
• lodgement status
• tax account activity

Some lenders require this alongside BAS to confirm the business’s tax position.

What should business bank statements show?

Business bank statements should ideally show:

• trading credits
• regular business income
• merchant deposits
• invoice payments
• manageable expenses
• no excessive dishonours
• no unexplained cash-flow stress
• tax payments
• loan repayments
• wages or drawings
• account holder matching the business

The bank statements should support the BAS figures.

What should the accountant declaration show?

An accountant declaration may confirm:

• business income
• business structure
• trading history
• profitability
• GST registration
• tax position
• whether the accountant has acted for the borrower
• whether income is ongoing
• whether figures are reasonable

Some lenders require their own accountant declaration form.

What should you avoid before applying?

Avoid:

• lodging BAS late
• leaving ATO debts unexplained
• mixing personal and business funds
• relying on one strong BAS quarter
• ignoring business expenses
• applying with incomplete documents
• overstating income from turnover
• taking new business loans
• increasing overdrafts
• using tax money for deposit without advice
• failing to disclose tax debts
• relying on a lender that does not offer alt doc

Good preparation can prevent delays and declines.

12 common mistakes with BAS and home loans

1. Do not assume BAS turnover equals income.
2. Do not assume every bank accepts BAS.
3. Do not assume a low doc loan is still available with mainstream lenders.
4. Do not submit BAS without ATO evidence if the lender requires it.
5. Do not use GST-inclusive figures incorrectly.
6. Do not ignore business expenses.
7. Do not rely on one unusually strong quarter.
8. Do not forget GST registration requirements.
9. Do not hide ATO debt.
10. Do not use business funds for deposit without checking working capital.
11. Do not assume an accountant letter will be accepted if your accountant is new.
12. Do not ignore business bank statement conduct.

How to improve your chances of approval

You can improve your chances by making the BAS evidence clear and consistent.

Helpful steps include:

• lodge BAS on time
• keep ATO accounts current
• set up a payment plan for tax debt if needed
• keep business bank statements clean
• separate personal and business accounts
• prepare accountant confirmation
• collect BAS for the full required period
• explain income increases or decreases
• avoid overstating income
• reduce business and personal debts
• keep LVR conservative if possible
• choose a lender that accepts BAS-based income

The stronger the income evidence, the better the lender options.

Should you wait before applying?

Sometimes waiting can help.

Waiting may improve your options if:

• tax returns will soon be lodged
• BAS history is too short
• GST registration is too recent
• ATO debt needs to be controlled
• business bank statements show weak conduct
• one-off income inflated BAS
• income has recently improved but needs more evidence
• LVR is high
• you want mainstream lender pricing

You may not need to wait if:

• BAS history is strong
• ATO portal evidence is clean
• lender policy accepts the documentation
• income is stable
• deposit is sufficient
• LVR is acceptable
• the loan services comfortably

A broker can compare BAS-based approval now against waiting for full financials.

Example scenarios

Scenario 1: Six months BAS with ATO portal evidence

You are self-employed and have six months of lodged BAS, plus ATO portal evidence showing your tax position.

A specialist lender may consider this under an alt doc pathway if the rest of the application fits.

Scenario 2: Twelve months BAS for Lite Doc

You have 12 months of BAS and an accountant’s letter.

A lender with a lite doc product may use those documents to verify income, subject to LVR and credit policy.

Scenario 3: Mainstream bank with no low doc policy

You provide BAS statements, but the lender does not offer low doc loans.

You may need full tax returns and financial statements, or a different lender.

Scenario 4: BAS supports an upward trend

Your latest tax return shows strong income, and current BAS supports that the higher revenue is continuing.

The lender may be more comfortable using the latest income figure.

Scenario 5: BAS turnover is high but profit is low

Your BAS shows strong sales, but business expenses are high.

The lender asks for financials or an accountant declaration before accepting the declared income.

Scenario 6: BAS and bank statements do not match

Your BAS shows high sales, but bank statements do not show matching deposits.

The lender requests an explanation and may reduce usable income.

So, can BAS statements be used for a home loan?

Yes, BAS statements can be used for some home loan applications, especially for self-employed borrowers applying through alt doc, simple self-employed or specialist lending policies.

The strongest BAS-based applications usually have:

• established ABN history
• required GST registration history
• lodged BAS for the required period
• ATO portal evidence
• clean tax position or formal payment plan
• consistent business bank statements
• accountant confirmation where required
• realistic declared income
• manageable business expenses
• clean credit conduct
• acceptable LVR
• lender policy that accepts BAS evidence

BAS statements can be powerful supporting evidence, but they need to be matched with the right lender and the right documentation.

Need help using BAS statements for a home loan?

A mortgage broker can help compare lenders that may consider BAS statements, alt doc income, simple self-employed policy, business bank statements, accountant declarations, ATO portal evidence and specialist self-employed lending.

We can review your BAS, ABN history, GST registration, tax position, business bank statements, accountant evidence, deposit, LVR and borrowing power before you apply.

If you are self-employed and want to use BAS statements for a home loan, speak with a mortgage broker who understands how different lenders assess alternative income verification.