How to Use Home Loans for Renovations

Refinancing to Access Equity for Renovation Costs

Refinancing your existing home loan allows you to access equity built up in your property and use those funds for renovations. The lender reassesses your property value and borrowing capacity, then increases your loan amount to release equity. You receive the additional funds at settlement, which you can then allocate to your renovation budget.

Consider a business owner on the Northern Beaches who purchased in Balgowlah several years ago. The property has appreciated, and they now hold around $250,000 in accessible equity after accounting for the lender's maximum loan to value ratio. They refinance to release $150,000 for a kitchen, bathroom and deck renovation. Because the funds are released in full at settlement, they can negotiate upfront discounts with their builder and pay trade invoices as work progresses without waiting for lender progress payments. The downside is they pay interest on the full $150,000 from day one, even if the renovation takes six months to complete.

The loan to value ratio you can borrow to when refinancing typically sits at 80% without paying Lenders Mortgage Insurance. Some lenders will go to 90% or higher, but this triggers LMI and lifts your ongoing interest rate. If your renovation adds material value to the property, some lenders will revalue the property on completion and allow you to refinance again to remove LMI, though this involves another application and more costs.

When you refinance, confirm whether your current lender charges break costs if you are still within a fixed rate period. These costs can run to thousands of dollars and erode the benefit of accessing equity. If break costs apply, you may be able to negotiate with your existing lender to increase your loan without refinancing to another institution.

Construction Loans Linked to Progress Payments

A construction loan releases funds in stages as the renovation progresses, rather than providing a lump sum upfront. The lender holds the approved loan amount in reserve and releases portions after a valuer inspects the site and confirms that each stage is complete. This structure matches how most builders invoice and reduces the interest you pay during the build.

In our experience, business owners often assume construction loans are only for new builds or large-scale developments. They are equally suited to major renovations where a licensed builder is engaged and the project has defined stages. A construction loan for a renovation typically releases funds across four to six progress claims depending on the scope of work. Each claim is triggered when the builder completes a stage, such as demolition, frame and roof, lockup, fixing, and practical completion.

You pay interest only on the funds drawn down at each stage, not on the total approved amount. If your approved limit is $200,000 and the first progress payment is $40,000, you pay interest only on that $40,000 until the next drawdown. Once the renovation is complete and all funds are released, the loan converts to principal and interest repayments, though some lenders allow you to remain on interest only for a period if your circumstances suit that approach.

The application process for a construction loan involves providing detailed plans, a building contract with a licensed builder, and a breakdown of costs tied to each stage. The lender will order a valuation based on the proposed completed value, not the current state of the property. Approval is conditional on the valuation supporting the total loan amount, including the renovation cost.

Combining Refinancing with a Construction Loan Structure

Some lenders allow you to refinance your existing home loan and structure the additional borrowing as a construction loan within the same application. This approach consolidates your lending with one institution while still releasing renovation funds progressively. You refinance the existing debt as a standard variable or fixed rate loan, and the additional amount for renovations is held in a construction facility with progress drawdowns.

This structure works well when your current loan no longer suits your needs or you want to access a lower interest rate while funding a renovation. Your existing loan balance is refinanced at the current rate, and the construction portion is drawn down as the work progresses. Once the renovation is complete, both portions can be combined into a single loan account if the lender allows it, simplifying your repayments.

Not all lenders offer this combined structure, and those that do may require the construction component to exceed a minimum amount, often $50,000 or higher. Confirm during the application whether your lender can split the facilities in this way, or whether you need to apply for a separate construction loan on top of your refinanced home loan.

Using an Offset Account to Manage Renovation Funds

If you refinance and receive a lump sum for your renovation, keeping those funds in a linked offset account reduces the interest charged on your loan until you need to pay invoices. An offset account is a transaction account linked to your home loan. The balance in the offset account reduces the loan balance on which interest is calculated, without requiring you to pay down the loan itself.

If you release $150,000 for a renovation and park that amount in an offset account, you pay interest only on your original loan balance until you transfer funds out to pay builders and suppliers. As you draw down the renovation funds over several months, interest gradually increases in line with the amount spent. This delivers some of the interest saving benefits of a construction loan while maintaining the flexibility of having immediate access to the full amount.

Not every home loan offers a linked offset account, and those that do may charge a higher interest rate or annual package fee. Compare the interest saving from the offset against any additional fees to confirm the structure delivers a genuine benefit. Offset accounts are particularly useful for business owners who can temporarily hold funds from business cash flow in the account to further reduce interest, provided those funds are not needed for operational expenses.

How Lenders Assess Borrowing Capacity for Renovations

Lenders assess your borrowing capacity for renovation funds using the same serviceability calculations as any other home loan application. Your income, existing debts, living expenses, and the proposed loan repayments are all factored into the assessment. For business owners, the lender will require tax returns, usually for the most recent two financial years, along with business financials and sometimes a letter from your accountant confirming ongoing income.

The key difference with renovation lending is the lender's approach to the property value. If you are refinancing to release equity, the valuation is based on the property's current state. If you are applying for a construction loan, the valuation is based on the proposed completed value, often referred to as 'as if complete' or 'on completion' value. The lender uses this higher value to calculate the loan to value ratio, which can increase the amount you can borrow compared to refinancing alone.

Some lenders are more flexible with serviceability for business owners, particularly those who use non-major lenders or specialist commercial lenders. These lenders may assess income differently, accept alternative documentation, or allow higher debt-to-income ratios depending on your business structure and financial position. A broker with access to a broad panel can identify which lenders are most likely to approve your application without requiring you to reduce your loan amount or contribute more cash.

Renovation Costs That Add Value Versus Those That Do Not

Lenders distinguish between renovations that add value to the property and those that are cosmetic or personal preference. Structural additions such as a second storey, a new bathroom, or a covered outdoor area are generally viewed as value-adding and supported by the 'as if complete' valuation. Cosmetic updates such as painting, new flooring, or landscaping are less likely to be reflected in a higher valuation, even though they improve the property's appeal.

If your renovation includes a mix of structural and cosmetic work, the lender may approve borrowing only for the value-adding portion and require you to fund the cosmetic work from savings. This is more common with construction loans than with refinancing, where the lender releases equity based on the current value without scrutinising how you intend to spend the funds.

Before committing to a renovation budget, discuss your plans with a broker or lender to understand how the proposed work will be assessed. In some cases, staging the renovation so that structural work is completed first allows you to access finance for that portion, then save or use business income to fund cosmetic updates later.

Interest Rate Options for Renovation Lending

Renovation loans can be structured as variable rate, fixed rate, or split rate depending on your preference and the lender's product range. A variable rate allows you to make extra repayments and pay off the loan faster once the renovation is complete. A fixed rate provides certainty over your repayments for a set period, which can be useful if you want to lock in costs while managing business cash flow.

A split rate structure applies a fixed rate to a portion of the loan and a variable rate to the remainder. This approach balances repayment certainty with flexibility, and can be particularly useful if you are refinancing a large existing balance and adding a smaller renovation component. You might fix the existing debt to protect against rate rises and leave the renovation portion on a variable rate so you can make lump sum repayments as business income allows.

Construction loans are almost always variable rate during the drawdown period because the loan balance increases with each progress payment. Once the renovation is complete and the loan converts to principal and interest, some lenders allow you to fix the rate at that point if you choose.

Timing Your Application and Settlement Around Building Contracts

If you are using a construction loan, timing the loan application and settlement to align with your building contract avoids paying interest on your existing loan while waiting for finance to be approved. Most builders require a signed contract and a deposit before they lock in a start date, but they will not begin work until they have confirmation that your finance is approved and funds will be available for progress claims.

Apply for finance once you have detailed plans, a signed building contract, and a clear breakdown of costs. This allows the lender to assess the application without delays caused by missing documentation. Approval timeframes vary depending on the lender and the complexity of your financial position, but you should allow at least three to four weeks from application to formal approval, and another two to three weeks to settlement if refinancing is involved.

If you are refinancing without a construction loan component, you can settle the refinance and receive the funds before signing a building contract. This gives you more flexibility to negotiate with builders and lock in pricing, though you will pay interest on the released funds from settlement onward.

When to Use a Personal Loan or Business Loan Instead

For smaller renovations, typically under $50,000, a personal loan or business loan may be more suitable than refinancing or a construction loan. These loans are approved and funded faster, do not require a property valuation, and do not involve the legal and settlement costs associated with refinancing. The trade-off is a higher interest rate and a shorter loan term, which increases your monthly repayments.

Business owners with strong cash flow may prefer a business loan for renovations to their owner-occupied home if they want to separate the debt from their mortgage or if their home loan is already at a high loan to value ratio. The business loan is assessed based on business income and assets, and repayments can be structured to align with cash flow cycles.

Personal loans are generally unsecured, meaning they do not require the property to be used as security. This can be an advantage if you do not want to increase the mortgage on your home, though it also means the lender takes on more risk and charges a higher rate. Business loans for renovation purposes are less common and depend on the lender's willingness to approve funding for non-business purposes using business income as the primary servicing source.

Speak to a Broker Before You Commit to a Renovation Budget

Your borrowing capacity, the structure that suits your circumstances, and the lender willing to approve your application all depend on your financial position and the scope of your renovation. Call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions