How Australian lenders assess a home-loan application
Income, expenses, existing debts and assessment buffers all matter. Understand why a repayment estimate cannot tell you whether a lender will approve the loan.
A repayment estimate is only one part of the application
A repayment calculator answers a narrow question about a loan amount, rate and term. It does not establish the income a lender will recognise, the expenses it will assess or whether it will approve an application. Keep a calculated payment separate from the amount you are willing to commit from your household budget.
For banks and other authorised deposit-taking institutions, APRA's credit-risk standard (opens in a new tab) requires credit assessment that includes a comprehensive assessment of repayment capacity. The property offered as security is not a substitute for checking that capacity. A result from this website is not the lender's assessment and does not reserve finance.
The lender checks the evidence behind income and spending
APRA's residential mortgage lending guidance (opens in a new tab) describes verifying income, living costs and other debts. Payslips, account records, tax information and evidence of business income may be relevant. Temporarily high or uncertain income may be discounted; expected rent is not necessarily treated like a regular salary.
The guidance also addresses expected changes in circumstances and the limits of relying on household-spending benchmarks. Your actual commitments matter. Present a complete picture of recurring costs and debts rather than treating a benchmark as a spending allowance. APRA's practice guide describes sound practice; it does not itself create enforceable requirements, and it is not a promise that every lender uses an identical checklist.
This section is an original summary of APG 223 (opens in a new tab).
It has been shortened and paraphrased; APRA does not endorse this website.
Used under CC BY 4.0 (opens in a new tab).
© Australian Prudential Regulation Authority 2024 (opens in a new tab).
The assessment rate can differ from the offered rate
An assessment tests resilience as well as today's payment. In its 28 May 2026 policy update (opens in a new tab), APRA retained a mortgage serviceability buffer of 3 percentage points. This is an assessment setting, not a quoted mortgage rate or an additional charge on the loan.
The dated setting is included to explain the distinction, not to calculate your borrowing capacity. A lender's assessment also depends on its policies and your circumstances. Check the current official setting and the lender's requirements when applying; a repayment scenario cannot reproduce the whole assessment by changing one input.
A debt-to-income limit is not an individual entitlement
APRA's debt-to-income policy (opens in a new tab), effective from February 2026, limits the share of new lending at high debt-to-income ratios. Its 20% limit for lending at a ratio of six times or more applies separately to an ADI's owner-occupier and investor portfolios. Specified exemptions include owner-occupier bridging loans and loans for purchasing or constructing new dwellings.
This is a portfolio constraint, not a promise that someone can borrow six times their income or an automatic rejection above that ratio. The cited APRA framework applies to ADIs; it should not be presented as an identical rule for every non-bank lender. Exemptions from a portfolio limit do not remove the need for an individual assessment. Banks retain lending discretion within their policies (opens in a new tab).
If an application is declined
ASIC MoneySmart's loan rejection guide (opens in a new tab), updated 24 August 2026, explains how credit history, income, expenses and existing commitments can affect an application. Ask the lender why it declined, check your credit report for errors and review the budget before applying again.
Repeated applications in a short period can affect your credit record. Paying a credit-repair company does not guarantee an improved score, and errors can be disputed without buying that service. If debts are making it difficult to borrow or meet everyday costs, MoneySmart points to free financial counselling. None of these steps guarantees the next application will succeed.