What Documents You Need to Refinance Your Home Loan
You'll need proof of income, identification, details of your current mortgage, and evidence of your property's value and financial position. The exact documents depend on whether you're employed, self-employed, or relying on rental income, and whether you're accessing equity or simply moving to a lower rate.
Consider a property owner who planned to refinance to release equity for a granny flat build. Their payslips were straightforward, but they'd forgotten their current lender statement showed a redraw balance they'd used for renovations two years earlier. The new lender wanted a statutory declaration explaining the purpose of that previous drawdown before proceeding. The application stalled for three weeks while they tracked down invoices from a tradie who'd since changed his business name. The loan eventually settled, but the delay pushed their granny flat builder's start date back by a month.
Income verification sits at the centre of most refinance applications. If you're a PAYG employee, you'll typically need your two most recent payslips and your latest tax return or notice of assessment. Self-employed applicants usually provide two years of tax returns, two years of financial statements, and a letter from an accountant confirming ongoing trading. If you're retired and drawing on super or pension income, Centrelink statements or super fund account statements that show regular withdrawals become the equivalent of payslips.
How Your Current Loan Statement Affects the Application
Your existing lender statement shows your current loan balance, account conduct, and whether you've made extra repayments or used redraw facilities. Lenders review this to confirm you've maintained repayments and to calculate precisely how much you owe at settlement.
The statement also reveals patterns. If you've been making only minimum repayments and redrawing regularly, some lenders interpret that as a higher servicing risk. Others don't mind, particularly if your income comfortably covers the new loan amount. Request a full loan statement covering at least the past six months, not just a balance summary. The difference matters during assessment.
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Property Valuation and Council Rates Notice
Most lenders order their own valuation, but you'll still need to provide your most recent council rates notice and evidence of any improvements you've made since purchase. If you've added a granny flat, extended the main dwelling, or installed solar panels, gather invoices, approvals, and photographs.
The valuer will cross-reference what you've declared with what they observe during inspection or desktop review. A rates notice that shows a different property description from what's on title raises questions. If your granny flat is council-approved and compliant but not yet reflected on the rates notice, include a copy of the occupation certificate and building approval with your refinance application. This helps the valuer assess the improvement correctly and can directly affect the amount of equity you can access.
Financial Position Statements and Asset Evidence
You'll need to provide statements for all bank accounts, credit cards, personal loans, and investment accounts held in your name. These show your savings, spending patterns, and existing debts. Lenders typically want three months of transaction history, though some accept as little as 30 days.
If you're planning to use equity to build a granny flat, the lender will want to see you can cover construction costs that exceed the initial drawdown, or that you have a payment plan in place with the builder. Evidence of genuine savings reassures the lender you're not immediately extending yourself beyond capacity once the refinance settles.
When Rental Income Is Part of Your Servicing
If you're relying on rental income from an existing granny flat or investment property to support the new loan, provide a current lease agreement and three to six months of bank statements showing rent receipts. Some lenders accept only 80% of the stated rent for servicing purposes, while others allow up to 100% if the tenancy is established and stable.
In our experience, applicants often assume verbal rental arrangements or income from family members living in the granny flat will be accepted at face value. It won't. The lender needs a formal lease, evidence of regular payments, and ideally a history showing the arrangement has been in place for several months. If your granny flat generates NDIS income, the terms differ again, and you'll need to provide the service agreement alongside evidence of payment from the NDIS or plan manager. More detail on how lenders assess this type of income is covered under lenders that accept granny flat rental income.
Identification and Residency Verification
You'll need a driver's licence or passport, plus a secondary form of ID such as a Medicare card or birth certificate. If your name on your identification doesn't match the name on your current mortgage due to marriage, divorce, or deed poll, provide the relevant certificate to link the two.
Lenders also verify your residential address. A rates notice, utility bill, or bank statement showing your current address usually satisfies this requirement. If you've moved recently and your identification still shows your old address, include evidence of the new address alongside an explanation.
How to Prepare Documents When Your Situation Is Less Straightforward
Not everyone fits the standard employment and income profile. If you're recently self-employed, between jobs, or receiving income from a trust or company structure, preparing your documentation takes more thought. Lenders assess these scenarios individually, and the documents you provide need to tell a clear story.
If you're coming off a fixed rate period and your income has changed since you originally borrowed, the lender will want to understand the change. Provide a letter from your employer if you've moved to part-time hours, or an accountant's letter if your business income has shifted. If you're accessing equity to build a granny flat that will generate rental income, some lenders allow that future income to be included in servicing once you provide a builder's quote, council approval, and a rental appraisal from a licensed agent. The structure around construction loans for granny flats can vary significantly depending on your lender and circumstances.
What Happens If You're Missing a Document
Apply with what you have and flag what's missing upfront. Lenders can often proceed with conditional approval while you source the remaining paperwork. The risk is that a missing document delays settlement or, in some cases, changes the assessment outcome if the lender discovers something inconsistent when the document eventually arrives.
If you genuinely can't provide a standard document, ask whether the lender accepts an alternative. Some will take a letter from your employer in place of payslips if your pay cycle doesn't align with the application timeline. Others accept additional months of bank statements in place of tax returns for certain applicants. These aren't universal policies, so the conversation needs to happen early in the process, not the week before settlement.
Organising Your Documents Before You Apply
Set up a folder on your phone or computer and scan or photograph each document as a separate PDF. Label them clearly: payslip-January, payslip-February, rates-notice-2026, bank-statement-account-1234-March. This makes it easier to upload documents to a lender's portal and simpler to track what you've already provided.
Check that every page is readable and that dates and amounts are visible. A half-cropped payslip or a bank statement missing the account holder's name won't be accepted, and resubmitting slows the process down. If you're refinancing jointly, both applicants need to provide their own income and identification documents, even if only one of you is employed.
Refinancing documentation doesn't need to be overwhelming, but it does need to be complete and consistent. Start gathering paperwork as soon as you're considering a refinance, particularly if you're planning to use the process to access equity or shift your loan structure. The earlier you identify a gap or an inconsistency, the more time you have to resolve it without holding up your settlement.
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Frequently Asked Questions
What documents do I need to refinance my home loan?
You'll need proof of income such as payslips or tax returns, identification like a driver's licence or passport, your current home loan statement, recent bank statements, and your council rates notice. The exact list depends on your employment type and whether you're accessing equity or simply switching to a lower rate.
How far back do bank statements need to go for a refinance application?
Most lenders require three months of bank statements for all accounts, though some accept as little as 30 days. These statements show your savings, spending patterns, and existing debts, which help the lender assess your financial position.
Can I use rental income from a granny flat to support my refinance application?
Yes, but you'll need a formal lease agreement and three to six months of bank statements showing rent receipts. Lenders typically assess between 80% and 100% of the rental income depending on how established the tenancy is and their individual policies.
What happens if I'm missing a document when I apply to refinance?
You can usually proceed with conditional approval while you source the missing paperwork. Flag what's missing upfront so the lender knows what to expect, and ask whether they accept an alternative if you genuinely can't provide a standard document.
Do I need a property valuation to refinance?
The lender will typically order their own valuation, but you should provide your most recent council rates notice and evidence of any improvements such as a granny flat, extensions, or renovations. This helps the valuer assess your property accurately and may increase the amount of equity you can access.
