For existing homeowners, the first effect is equity. If local property values have risen, some borrowers may find their loan-to-value ratio has improved, which can open the door to sharper rates or more lender choice. The opposite is also true: in suburbs where prices have moved sideways or fallen, a refinance may still be possible, but the margin for fees, cashback offers or extra borrowing can be tighter.

The second effect is serviceability. Lenders are still testing applications against buffers above the advertised rate, and household expenses remain under scrutiny. A borrower who has never missed a repayment can still face a harder assessment if credit card limits are high, car finance has been added, or overtime income is treated conservatively. That makes preparation just as important as the rate itself.

Before switching, homeowners should model the repayment impact of a new loan, including discharge fees, application costs, package fees and any change to the loan term. Extending the term can reduce monthly pressure, but it may also increase total interest unless extra repayments are maintained. Cashback incentives can help with upfront costs, yet they should not be allowed to distract from the long-term comparison.

• Check your current rate against new-customer offers from several lenders.
• Estimate your current property value and likely loan-to-value ratio.
• Review debts and credit limits before applying.
• Ask whether fixed, variable or split structures fit your budget.

This latest market signal is not a command to refinance, but it is a prompt to review. Larger loan sizes and changing valuations can create opportunities for well-prepared borrowers, while also exposing weak spots in an application. If the numbers are close or your situation has changed, working with a mortgage broker can help clarify which lenders are most likely to suit your circumstances.