Why credit scores matter when applying for a home loan
Credit scores aren't just a number on a report — they shape whether you get approved, how much you can borrow and what interest rate you pay. Here's why your credit score matters when applying for a home loan in Australia.
Approval: the first gate
Many lenders use automated credit scoring as the first filter. If your score falls below their threshold, the application can be declined before a human even reviews it.
A strong score doesn't guarantee approval — income, expenses and property still matter — but a weak score can stop an otherwise solid application in its tracks.
Interest rates and risk-based pricing
Lenders increasingly use risk-based pricing. Borrowers with higher scores are offered sharper rates because the lender sees them as lower risk.
On a $600,000 loan, a 0.3% rate difference caused by credit score alone can mean roughly $1,800 more in interest each year. Over five years that adds up to serious money.
Borrowing power and loan-to-value ratio
A lower credit score can reduce the loan-to-value ratio a lender is willing to offer. You may need a larger deposit to compensate, or you may be capped at 80% instead of 90% or 95%.
This is especially important for first home buyers trying to get in with a smaller deposit, or refinancers hoping to access equity without paying LMI.
Lender choice
A strong credit score opens the full market: major banks, credit unions and online lenders all compete for your business. A weak score narrows your options to lenders with more flexible policies — and often higher rates.
The good news is that not every lender weighs your score the same way. Some focus more on credit conduct than the score itself, which is where a broker makes a real difference.
Keep reading
Frequently asked questions
This page is general information only and not financial advice. Lending criteria, rates and government schemes change — speak to a XLOANS broker for advice tailored to your situation. XLOANS is a Melbourne-based mortgage broking service.
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