Pre-approval is a conditional statement from a lender that they would likely approve your home loan application if you proceed to full assessment with a property identified.
The process involves submitting your financial documents, income evidence, and credit history to a lender before you find a property. The lender reviews your circumstances, runs serviceability calculations, and issues a letter or certificate that remains valid for a set period, typically three to six months. Pre-approval does not lock in an interest rate, guarantee final approval, or require the lender to proceed if your situation changes. It gives you a defensible estimate of your borrowing capacity and shows vendors and agents that you have taken the initial steps to secure finance.
Why Pre-approval Matters Before You Make an Offer
Pre-approval positions you to move quickly when you find the right property. In a suburb like Ringwood, where well-presented homes within walking distance of the railway station can attract multiple offers, being able to make a confident bid on the first weekend matters. Agents will ask whether you have finance in place. If you answer no, they may not take your offer as seriously as one from a buyer with a pre-approval letter ready to attach.
Consider a buyer attending an auction in Doncaster with no pre-approval and a vague understanding that they can borrow around $800,000. They bid, win, and then discover during full assessment that their actual borrowing capacity is closer to $750,000 because they miscalculated how their car lease and personal loan would affect serviceability. They cannot settle and lose their deposit. Pre-approval would have flagged the shortfall before they signed anything.
What a Lender Actually Assesses During Pre-approval
The lender reviews your income, employment stability, existing debts, credit history, and living expenses. They apply the serviceability buffer required under APRA prudential standards, which currently sits at 3.0 percentage points above the product rate. If you are applying for a variable rate loan with a product rate around current levels, the lender will assess whether you can service the loan if the rate were 3.0 percentage points higher. They also check your credit file for defaults, late payments, and enquiries. If you have recently applied for multiple credit cards or car finance, that can reduce the amount a lender is willing to approve.
The lender does not inspect a property, order a valuation, or finalise loan documents during pre-approval. Those steps happen after you have a signed contract. Pre-approval is a preliminary assessment only. It tells you what you can likely borrow based on your current situation and the documents you have provided.
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How Long Pre-approval Lasts and What Invalidates It
Most lenders issue pre-approval for three to six months. After that period, the approval expires and you need to reapply. The lender will reassess your income, pull a fresh credit report, and confirm that nothing has changed. If you change jobs, take on new debt, or experience a drop in income during the pre-approval period, the lender may reduce the approved amount or withdraw the offer entirely. The pre-approval is conditional on your circumstances remaining stable.
In our experience, buyers who secure pre-approval and then book a holiday on a credit card or buy a new car before settlement often face issues at final assessment. The new liability changes the serviceability calculation. The lender recalculates and the loan no longer fits. If you have pre-approval, do not take on new debt or make large purchases until after settlement.
How Pre-approval Fits with the Australian Government 5% Deposit Scheme
If you are a first home buyer planning to use the Australian Government 5% Deposit Scheme, pre-approval works the same way but must be obtained through a participating lender. Not all lenders are on the panel. Housing Australia administers the scheme and maintains the list of participating lenders. You cannot apply directly to Housing Australia. You apply through a broker or directly with a lender on the panel, and the lender assesses your application for both the loan and the guarantee.
The property you ultimately purchase must fall within the price caps for your state and region. In Victoria, the cap is $950,000 in capital cities and regional centres such as Geelong, and $650,000 in other areas. Pre-approval under the scheme confirms that you meet the lender's credit and serviceability requirements, but the guarantee itself is not finalised until you have a contract and the property is confirmed as eligible.
What Happens Between Pre-approval and Final Approval
Once you have a signed contract, the lender moves to full assessment. They order a valuation, review the contract of sale, conduct final identity and employment checks, and confirm that the property meets their lending criteria. If the valuation comes in below the purchase price, the lender may reduce the loan amount or require you to bring additional funds to settlement. If the property is on a busy road, backs onto commercial land, or has structural issues flagged in the building report, the lender may decline to proceed even though you hold pre-approval.
The lender also rechecks your credit file and bank statements. If you have taken on new debt, missed a payment, or made large cash deposits that cannot be explained, the lender will ask for more information. Final approval is not a formality. It is a full reassessment with a property attached.
When Pre-approval Does Not Mean You Will Settle
Pre-approval does not protect you if the property is ineligible, if your circumstances change, or if market conditions shift significantly. Consider a buyer in Croydon who obtained pre-approval in February for an owner-occupied variable rate loan. They found a property in July, signed a contract, and submitted it for full assessment. Between February and July, they changed jobs. The new role is permanent, but the lender now requires three months of payslips before proceeding. Settlement is in 60 days. The buyer cannot provide three months of payslips in time and the lender declines to settle. Pre-approval did not account for the job change because it had not happened yet.
This is why keeping your broker informed matters. If your situation changes after pre-approval, discuss it before you make an offer. Your broker can confirm whether the change affects your approval and, if necessary, arrange a fresh assessment or move to a different lender with more flexible employment criteria.
Using Pre-approval to Compare Loan Products Without Committing
Pre-approval does not lock you into a lender. You can obtain pre-approval from more than one lender, compare their loan products, rates, offset features, and fees, and then choose which lender to proceed with when you find a property. Some buyers use pre-approval as a way to test multiple lenders and see which one offers the most suitable structure for their needs. If you are considering a split rate loan, for example, one lender may allow you to split at any ratio while another requires a minimum 50% allocation to each portion. Pre-approval lets you confirm those details before you commit.
You are not required to proceed with the lender that issued your pre-approval. If a different lender offers a lower rate or a more appropriate loan product closer to settlement, you can switch. The pre-approval simply keeps your options open while you search for a property.
What Documents You Need and How Long Assessment Takes
You will need recent payslips, tax returns if you are self-employed, bank statements covering at least three months, details of all existing debts, and identification. The lender may also ask for an employment letter, evidence of rental history, or proof of savings if you are using the 5% Deposit Scheme. Processing time varies by lender but typically takes between two and five business days for a straightforward application. If you are self-employed, expect the process to take longer. The lender will review two years of financials and may request additional information from your accountant.
If you are refinancing and want pre-approval for a new loan before discharging your existing loan, the process is the same. The lender will assess your current income and liabilities, including the loan you plan to refinance, and confirm that the new loan is serviceable. Pre-approval in a refinance scenario is less common because you already own the property, but it can be useful if you are waiting for a fixed rate to expire or timing your refinance around a specific date.
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Frequently Asked Questions
How long does home loan pre-approval last?
Most lenders issue pre-approval for three to six months. After that period, the approval expires and you need to reapply. The lender will reassess your income, pull a fresh credit report, and confirm that your circumstances have not changed.
Does pre-approval lock in my interest rate?
No, pre-approval does not lock in an interest rate. It confirms the amount you can likely borrow and the loan structure you qualify for, but the rate is set at the time of full approval or settlement, depending on the lender and product.
Can I get pre-approval from more than one lender?
Yes, you can obtain pre-approval from multiple lenders to compare loan products, rates, and features. You are not required to proceed with the lender that issued your pre-approval if a different lender offers a more suitable product closer to settlement.
What can invalidate my pre-approval before settlement?
Pre-approval can be invalidated if you change jobs, take on new debt, experience a drop in income, or if the property you purchase does not meet the lender's criteria. The lender reassesses your circumstances at final approval and can withdraw the offer if anything has changed.
Do I need pre-approval to use the Australian Government 5% Deposit Scheme?
Yes, you need to apply for pre-approval through a lender participating in the scheme. Not all lenders are on the panel. Pre-approval confirms you meet the lender's requirements, but the guarantee is not finalised until you have a contract and the property is confirmed as eligible.