Do You Know What Lenders Actually Check When Refinancing?

Lenders assess your current financial position when you apply to refinance, not the circumstances from when you first bought. Your income, expenses, property value, and credit history are all re-evaluated as though you're applying for the first time.

Income Verification Looks Different the Second Time

Lenders verify your income the same way they would for any new application. If you're self-employed, that typically means two years of tax returns plus recent business activity statements. PAYG employees need payslips covering the last three months and often a letter from their employer confirming ongoing employment. The difference with a refinance is that lenders also review how you've managed your existing loan. If you've missed payments or regularly dipped into unarranged overdrafts, that creates questions even if your income looks strong on paper. A loan health check before you formally apply identifies any patterns that might slow down approval.

Consider a lawyer who purchased five years ago on a salary of $120,000 and has since moved to a partnership structure. On paper, their income has increased, but they're now classified as self-employed. That changes the documentation required and can extend the approval timeline by several weeks if they haven't prepared their financials in advance.

Property Valuation Determines How Much Equity You Can Access

The lender arranges a valuation to confirm your property's current worth. That figure determines your loan-to-value ratio and whether you have enough equity to remove lender's mortgage insurance or to release funds for an investment property. Valuations can come in below your expectation, particularly in suburbs where recent sales have been sparse or where renovations haven't been completed to a standard the valuer considers market-appropriate. If you've renovated but haven't finalised certification or if the work was owner-builder, the valuer may discount the improvements.

In suburbs like South Perth, where older homes on larger blocks are being renovated or subdivided, valuations can vary significantly depending on which comparables the valuer selects. A property on a 700-square-metre block with a dated home might be valued based on recent renovations nearby, or it might be valued closer to land value if similar blocks have sold for redevelopment.

Serviceability Calculations Are Tighter Than They Used to Be

Lenders calculate whether you can afford the loan using a minimum interest rate buffer, typically three percentage points above the actual rate. They also assess your living expenses using either your declared costs or a household expenditure measure, whichever is higher. If you have dependents, investment properties, or other debts, those are factored in as well. Refinancing with the same loan amount you have now doesn't guarantee approval if your circumstances have changed. A reduction in income, an increase in childcare costs, or a new car loan can all affect serviceability.

In a scenario where two professionals hold an owner-occupied loan of $600,000 and want to refinance to access $100,000 in equity for a deposit on their next property, the lender assesses whether they can service both the increased home loan and the future investment loan simultaneously. If their expenses have increased since the original purchase, the application may require restructuring or a co-borrower.

Credit History Includes Everything Since Your Last Application

Your credit file shows every credit enquiry, default, and repayment pattern from the last five to seven years. Lenders review this during the assessment process. Multiple credit applications in a short period, even for small amounts, can raise questions about your financial stability. Defaults, court judgments, or missed payments on any credit product will affect how lenders view your application. If you've had any credit issues since your original loan was approved, address them before applying. That might mean paying off a default, disputing an incorrect listing, or waiting until a certain period has passed.

What Happens Between Application and Settlement

Once you submit your application, the lender's credit team reviews your documents and may request additional information. That could include updated payslips, explanations for large deposits or withdrawals, or evidence of how you've been managing other debts. Conditional approval is issued once they're satisfied, and a formal valuation is ordered. Final approval depends on that valuation meeting the lender's requirements. If the valuation comes in lower than expected, you may need to reduce the loan amount, provide additional funds, or choose a different lender with more flexible policies. Settlement usually occurs within four to six weeks of final approval, though it can be faster if you're refinancing with your current lender and no valuation is required.

Why Some Applications Take Longer Than Expected

Delays typically occur when documentation is incomplete, when lenders request further explanation of your financial position, or when the valuation process takes longer than anticipated. Self-employed applicants often experience delays if their accountant hasn't finalised tax returns or if their business structure has changed recently. If you're refinancing to consolidate debt, lenders may require evidence that those debts will be closed once the loan settles. If you're accessing equity, they may ask for a contract of sale or a letter from your solicitor confirming the intended use of funds. Providing clear, complete documentation upfront reduces the chance of delays.

How Mortgage Insurance Affects Approval

If your loan-to-value ratio is above 80%, the lender requires you to pay lender's mortgage insurance. That insurance protects the lender if you default, but it's an additional cost you need to factor in. Some lenders have higher LVR limits for certain professions, including doctors, accountants, and lawyers, which can remove the need for mortgage insurance even when borrowing above 80%. If you're refinancing and your property has increased in value, you may now sit below the 80% threshold and avoid this cost altogether.

When Refinancing Doesn't Proceed

Applications are declined when serviceability doesn't meet the lender's criteria, when the valuation comes in too low, or when undisclosed credit issues appear during assessment. If your application is declined, you have the option to approach a different lender with more flexible policies, adjust the loan amount, or wait until your financial position improves. Working with a broker allows you to identify which lenders are most likely to approve your scenario before submitting a formal application, which avoids unnecessary credit enquiries.

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