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Home loan pre-approval, explained

Pre-approval is a lender agreeing in principle to lend you a set amount. It tells you your real budget and shows sellers you're serious.

Written by Jason Birks, credit representative 567217 · 4 minute read · Last reviewed October 2026

What pre-approval is, and what it isn't

The lender checks your income, expenses, debts and credit file, then confirms how much it would lend. It's conditional: you still need formal approval once you've found a property, which includes a valuation and a final check of your finances.

How long it takes

Usually a few days to a couple of weeks, depending on the lender's turnaround times and how quickly your documents come together. Having your documents ready makes a real difference. My document checklist lists what lenders ask for.

How long it lasts

Most pre-approvals last three to six months. If yours runs out before you buy, it can usually be renewed with updated documents.

What can cause a problem before formal approval

Pre-approval and auctions

At auction there's no cooling-off period and no finance clause, so pre-approval alone isn't enough. Before bidding, I can ask the lender to look at the specific property, and you should have your deposit ready.

Questions people ask

How long does home loan pre-approval take?

Usually a few days to two weeks, depending on the lender and how quickly your documents are ready.

Does pre-approval affect my credit score?

A credit enquiry is recorded. One pre-approval with the right lender is better than applying at several.

How long does pre-approval last?

Usually three to six months, depending on the lender.

Is pre-approval a guarantee?

No. Formal approval still depends on the property, the valuation and your finances at the time.

This page is general information only and doesn't take your personal circumstances into account. Lender policies change often. Not financial or credit advice. Last reviewed October 2026.

Ready to get pre-approved?

Book a chat. I'll work out your budget across the market and get you pre-approved with a lender that suits you.

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