What do mortgage lenders require from self-employed applicants?

Lenders don't distrust your income — they distrust unfinished paperwork

Here is something most self-employed borrowers get wrong: the income isn't the problem. A business owner earning $180,000 with two lodged tax returns is an easier file than one earning $250,000 whose accountant is "still finalising last year". The evidence is what a lender can act on.

With the 2025–26 financial year now closed, this is the one window each year when you can change what a lender sees. Lodge your return, and within about two weeks the ATO issues your notice of assessment — the document that turns your income from a claim into a fact.

The standard document set

For a full-documentation loan, most lenders will ask a self-employed applicant for some combination of the following. Exact requirements vary by lender, which is part of the reason the right lender match matters.

• Personal tax returns and notices of assessment — usually your last two returns, with the matching ATO notices. A notice of assessment is the ATO's formal statement that your return has been processed; you can view and print it from your myGov inbox. Lenders treat it as the gold-standard proof that the income in your return is lodged, not projected.
• Business financials — profit and loss statements and balance sheets for the same period, prepared or reviewed by your accountant. If you trade through a company or trust, the entity's returns as well.
• Trading history — an ABN that has been active for a reasonable period, and GST registration where your turnover requires it. A longer, cleaner history reads as stability.
• Activity statements and bank statements — some lenders use BAS and business bank statements to check that recent trading supports the income in your last return. Useful if your business has grown since then.

Why the freshly lodged return matters so much

Lenders assess you on lodged history, not potential. If your 2025–26 year was your best yet, that strength is invisible until the return is lodged. Self-lodgers have until 31 October; lodging earlier simply brings forward the day your borrowing capacity reflects reality. Returns lodged online are typically processed by the ATO within two weeks.

One nuance worth knowing: a well-prepared broker will also look at add-backs. Depreciation, one-off expenses and interest on debts being refinanced may be added back to your taxable income for servicing purposes, depending on the lender. Two files with identical tax returns can produce different borrowing outcomes purely on how the add-backs are presented.

The buffer every applicant is assessed against

Whatever rate you're offered, the lender in most cases must test your repayments at 3 percentage points above it. That is APRA's serviceability buffer, in place since 2021. It applies to everyone, but it bites hardest where income is assessed conservatively — which is often the self-employed file. It's another reason presentation of income matters as much as the income itself.

If your paperwork isn't current

A missing return doesn't always mean waiting a year. For low-doc and alt-doc loans, lenders may accept alternative documentation in place of full financials — commonly some combination of:

• An accountant's declaration — a signed letter from your accountant confirming your income and that the business is trading solvently.
• Business activity statements (BAS) — usually the most recent 6 to 12 months, as lodged with the ATO.
• Business bank statements — typically 3 to 6 months, showing trading income flowing through the account.
• Interim or management financials — accountant-prepared profit and loss statements for the period not yet covered by a lodged return.
• A signed income declaration — your own statement of income, used alongside the documents above, not instead of them.

Each lender accepts a different mix, usually at different pricing and with tighter conditions such as a lower maximum LVR. Whether that trade-off makes sense depends on your circumstances and timing. Non-conforming lending is a specialty of ours, and the honest answer is sometimes "lodge first, apply after" — we'll tell you which.

Common questions from self-employed borrowers

The bottom line

If a purchase or refinance is on your horizon this financial year, give us a call and let's talk through what's required. We can then work together with your accountant to ensure your income is presented in the most beneficial manner.