Pre-approval vs full approval: what actually matters for first home buyers

Pre-approval is a lender's initial assessment saying they're willing to lend you a specific amount, subject to certain conditions (usually property valuation). It's not a guaranteed loan offer. Full approval happens after you've found a specific property and the lender has valued it and reviewed all the final details. Pre-approval is useful for confidence and credibility when making offers, but it's not the same as having the money in your account. First home buyers often confuse the two, which can lead to problems when a pre-approval doesn't convert cleanly to full approval. Understanding the difference protects you from bidding on properties you can't ultimately finance.

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This post is part of the How to buy your first home in Australia: a woman's step-by-step guide. If you want the broader picture, start there.

I want to correct a common misconception before we go any further.

Pre-approval is not a loan. Pre-approval is a lender's provisional statement that, based on the information you've given them and their initial assessment, they would lend you a specific amount if you found a suitable property. That's an important thing to have. It's not the same as having the money.

First home buyers who don't understand this distinction sometimes end up in painful situations, particularly if they bid at auction or sign contracts based on pre-approval that later doesn't convert to full approval.

Here's what each actually means and how to protect yourself.

What is pre-approval?

Pre-approval (sometimes called conditional approval) is a written statement from a lender that they are willing, in principle, to lend you a specific amount for a home loan, subject to certain conditions.

The typical process:

1. You provide the lender with information about your income, expenses, deposit, and existing debts
2. The lender does a preliminary assessment against their calculators and policies
3. If your situation looks acceptable, they issue a pre-approval letter for a specific amount
4. The pre-approval is usually valid for 60 to 90 days, sometimes longer

What pre-approval does NOT include:

• Property valuation (because you haven't chosen a property yet)
• Final legal checks
• Final credit checks in some cases
• Formal loan commitment

What is full approval?

Full approval (also called unconditional approval) is when a lender formally commits to lending you a specific amount on a specific property.

The process happens after you've had an offer accepted on a property:

1. You submit the property details to the lender
2. The lender orders a formal property valuation
3. The lender reviews all conditions of the pre-approval and any new information
4. If the property values up and all conditions are met, the loan is formally approved
5. You receive an unconditional loan offer

Full approval means the money is genuinely available (subject to standard settlement processes). Pre-approval doesn't.

Why does the difference matter?

Because sometimes pre-approval doesn't convert to full approval. Common reasons:

1. The property doesn't value up. The lender's valuer estimates the property is worth less than the purchase price. This can reduce the loan amount available or require a larger deposit than you have.

2. Your circumstances have changed. Between pre-approval and full approval, your income has dropped, you've taken on new debt, or you've changed jobs. Any of these can affect the final assessment.

3. Interest rates have moved. Rate changes can affect serviceability calculations. A pre-approval based on one rate may not fully hold under a higher rate.

4. Lender policy has changed. Lenders occasionally tighten or change their policies. A pre-approval under old policy may not carry through under new policy for the specific property type.

5. Property-specific issues. The property may be on a lender's restricted list (some lenders don't lend on certain unit sizes, high-rise buildings, mining town properties, or unusual construction types). A pre-approval doesn't confirm the property is acceptable to the lender.

6. Documentation issues. Something in your file that wasn't fully verified at pre-approval turns out to be different in final assessment.

None of these are common, but they happen. The point isn't that pre-approval is unreliable; it's that it isn't a guarantee.

When should I get pre-approval?

Get pre-approval when:

• You're serious about buying and actively looking at properties
• You want clarity on your realistic budget
• You want credibility with real estate agents and vendors
• You need to move quickly when the right property appears
• You're planning to bid at auction (where pre-approval is essentially essential)

Don't get pre-approval too early. It typically expires within 90 days, so getting pre-approved months before you're ready to buy means going through the process twice. Multiple credit inquiries in a short period can also affect your credit score.

The right timing is usually when you're within 60 to 90 days of being ready to make offers.

Can I bid at auction with pre-approval?

Yes, but with important caveats.

Pre-approval gives you the confidence to bid at auction. But if your winning bid at auction is for a property that then doesn't value up or has other issues that prevent full approval, you're in a difficult position. Auction contracts are typically unconditional (no cooling-off period), which means you're legally obligated to buy the property.

If you can't get full approval, you may need to:

• Come up with a larger deposit to cover the valuation shortfall
• Get finance through a different lender
• Forfeit your deposit (usually 5 to 10 percent of purchase price)

To protect yourself at auction:

• Get formal written pre-approval, not just a verbal indication
• Ask your broker specifically about the property (they can check whether the lender will lend on that property type)
• Get a valuation done before the auction if possible (though full lender valuations aren't usually available pre-auction)
• Understand the risks of unconditional bidding

For most first home buyers, buying by private treaty (where you can include finance and building inspection clauses in the contract) is safer than auction. If you're bidding at auction, do it with your eyes open.

How do I move from pre-approval to full approval?

Once you've had an offer accepted:

1. Sign the contract with a finance clause (if buying by private treaty, and your state allows it). This gives you a period (typically 21 days) to secure full approval and lets you exit if approval isn't granted.

2. Submit the property details to your lender immediately. Your broker will handle this. The lender orders a valuation and starts the full approval process.

3. Provide any additional documentation the lender requests. Sometimes new documents are needed, particularly if your circumstances have changed.

4. Wait for the valuation to come back. This usually takes a few days to a week.

5. Full approval is issued (or, if there are issues, they're identified and addressed).

The full approval process typically takes 2 to 3 weeks from offer acceptance, sometimes longer for complex situations.

What if my full approval falls through?

If your pre-approval doesn't convert to full approval, options include:

• Increase your deposit to cover the shortfall (if the issue is property valuation)
• Apply to a different lender whose policies fit better (your broker can identify who)
• Renegotiate the contract price with the seller
• Withdraw from the purchase if your finance clause allows (typically forfeiting the initial deposit)

The cleanest protection is a well-drafted finance clause in the contract. Talk to your conveyancer about what's possible in your state.

Frequently asked questions

How long does pre-approval last?

Typically 60 to 90 days, sometimes longer. If it expires before you find a property, you'll need to reapply, which involves updated documentation and another credit check.

Does pre-approval affect my credit score?

Yes, applying for pre-approval creates an inquiry on your credit file. This has a small short-term impact on your credit score. Multiple pre-approval applications in a short period can have a larger effect, so avoid getting pre-approved with multiple lenders simultaneously.

Can I have pre-approval with more than one lender?

Technically yes, but it's generally not recommended. Multiple pre-approvals mean multiple credit inquiries, which can damage your credit score. Work with a broker who can pre-assess your file against multiple lenders without formal applications, then submit one pre-approval to the best-fit lender.

What documents do I need for pre-approval?

Typically: photo ID, evidence of income (payslips for PAYG, tax returns for self-employed), bank statements for the last 3 months, statement of assets and liabilities, evidence of savings, and any existing debt statements. Your broker will confirm the specific list for your target lender.

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This article is general information only and does not constitute financial, legal or tax advice. Please speak to a licensed financial adviser, solicitor and your accountant about your specific circumstances.

Rielle Berglund is a mortgage broker and the founder of Matilda Tree Finance. She works with Australian women navigating major financial transitions, including separation, divorce, terminal illness and bereavement. She is also the creator of Runa, a free financial literacy app built for exactly this stage of life.

Book a confidential conversation with Rielle at matildatreefinance.com.au or start with Runa, free, at runaapp.com.au.

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You may also find these helpful

• How to buy your first home in Australia: a woman's step-by-step guide
• How much deposit do you really need to buy your first home in Australia?
• What actually happens on settlement day: a first home buyer's guide

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Sources and references

This article draws on Rielle Berglund's professional experience as a mortgage broker. The following source is relevant to topics covered:

• ASIC Moneysmart on home loans: moneysmart.gov.au/home-loans