When to Use a Home Loan for Renovation

How construction loans and refinancing options can fund your Deakin or Canberra renovation without depleting savings

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Funding a Renovation Through Your Home Loan

If you own property in Deakin or elsewhere in Canberra and need to renovate, borrowing against your home equity typically offers lower interest rates than personal loans or credit cards. You can either refinance your existing mortgage to release equity or use a construction loan if the work is substantial. The decision depends on how much you need, how the funds will be drawn, and whether your current loan structure still serves you.

Deakin's older housing stock, particularly the mid-century homes near the embassies precinct, often requires substantial updates to kitchens, bathrooms, and heating systems. Many owners renovate rather than relocate because the suburb's proximity to Parliament House, Woden, and quality schools makes it worth the investment. The question is not whether to renovate, but how to finance it without overextending.

Refinancing to Release Equity for Smaller Projects

If your renovation costs less than $100,000 and you need the full amount upfront, refinancing allows you to increase your loan amount and receive the funds in a lump sum. This works when you have sufficient equity in your property and your income supports the higher loan amount. Lenders will assess your borrowing capacity based on your current financial position, not the future value of the renovated property.

Consider a homeowner in Deakin who purchased five years ago and now has $200,000 in equity. They need $60,000 to renovate a dated kitchen and add insulation. They refinance their owner occupied home loan, increasing the loan amount by $60,000. The funds are released at settlement, allowing them to pay tradespeople as invoices arrive. Because the interest rate on the home loan is lower than unsecured credit, the cost of borrowing is reduced, and repayments remain manageable within their existing budget.

Construction Loans for Major Renovations

When renovation costs exceed $100,000 or involve structural changes, a construction loan is often more appropriate. These loans release funds in stages as the work progresses, meaning you only pay interest on the amount drawn down. Lenders require a fixed-price building contract, a schedule of works, and progress inspections before releasing each payment. This structure protects both you and the lender, ensuring funds are used as intended and work is completed to standard.

The drawdown process typically involves four to six progress payments tied to specific milestones such as slab completion, frame and roof, lockup, fixing, and practical completion. Your builder invoices for each stage, the lender arranges an inspection, and once approved, funds are released directly to the builder or into your account. During construction, you generally pay interest only on the drawn portion, switching to principal and interest repayments once the loan converts to a standard home loan after completion.

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Choosing Between Variable Rate and Fixed Rate for Renovation Funds

Whether you refinance or use a construction loan, you will need to decide on a rate structure. A variable rate allows you to make extra repayments without penalty and provides flexibility if you want to pay down the renovation costs quickly. A fixed rate locks in repayments for a set period, which can help with budgeting if your income is stable and you prefer certainty. A split loan combines both, giving you some protection from rate increases while retaining flexibility on part of the balance.

If you expect to receive a bonus, inheritance, or proceeds from an investment sale within the next few years, a variable rate or split loan with an offset account linked to the variable portion allows you to reduce interest without losing access to those funds. If your income is tight and you need predictable repayments while managing renovation costs, a higher proportion fixed may be more suitable.

How Lenders Assess Serviceability for Renovation Lending

Lenders calculate serviceability based on your current income, existing debts, and living expenses. When you apply to increase your loan amount for a renovation, they assess whether you can service the higher repayments at a buffer rate, typically three percentage points above the actual interest rate. This means even if you are borrowing at a variable interest rate of 6%, the lender tests your capacity at around 9%.

Your loan to value ratio also matters. Most lenders will allow you to borrow up to 80% of your property's current value without Lenders Mortgage Insurance. If you need to exceed that threshold, LMI will apply, adding to your upfront costs. In some cases, lenders will consider the 'as if complete' valuation for substantial renovations, allowing you to borrow against the projected post-renovation value rather than the current value. This approach requires detailed plans, quotes, and a valuer's assessment of the expected improvement in property value.

Using Equity Without Refinancing Your Existing Loan

If your current home loan has a low interest rate or features you want to keep, you may be able to take out a separate loan secured against your property rather than refinancing the entire balance. This is known as a split or top-up loan. You retain your existing loan and add a second loan for the renovation amount, which can be structured with different terms, such as interest only for a period while you complete the work.

This approach works when your existing loan has a fixed interest rate you do not want to break or when your current lender offers a competitive product for the additional borrowing. The downside is managing two separate loans, each with its own repayment schedule and potentially different offset arrangements. You will need to assess whether the benefit of retaining your current loan outweighs the administrative complexity.

Documentation Required for a Renovation Loan Application

Whether you are refinancing or applying for a construction loan, lenders require proof of income, recent payslips or tax returns, and details of your existing debts. For construction loans, you will also need a fixed-price building contract signed by a licensed builder, a schedule of works, council approval or certification if required, and detailed plans and specifications. Some lenders also request a quantity surveyor's report or engineer's certificate for structural work.

The more detailed your documentation, the faster the approval process. Incomplete applications delay settlement and can jeopardise builder schedules. If you are managing the renovation without a licensed builder, most lenders will not provide a construction loan. In that case, refinancing to release funds upfront or using a personal loan may be your only options, though both carry higher risk if costs overrun.

Renovation Lending in Deakin and Canberra's Inner South

Deakin's median property values and the quality of the suburb's housing stock mean many owners have substantial equity available. The suburb's appeal to professionals working in central Canberra or Woden means renovated properties hold value well, particularly if updates include energy efficiency improvements such as double glazing, insulation, and updated heating systems. Lenders are generally comfortable with renovation lending in established inner south suburbs because demand remains strong and resale values are stable.

If you are considering a renovation in Canberra's inner south, your decision should be informed by both the scope of work and your current loan structure. A mortgage broker in Deakin, ACT can assess your equity position, compare loan products, and structure the borrowing to suit your cash flow. The goal is to fund the renovation in a way that builds equity without compromising your financial stability or limiting your future options.

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Frequently Asked Questions

Can I refinance my home loan to fund a renovation?

Yes, if you have sufficient equity in your property, you can refinance to increase your loan amount and receive funds in a lump sum. Lenders will assess your borrowing capacity based on your current income and debts to ensure you can service the higher repayments.

What is a construction loan and when should I use one?

A construction loan releases funds in stages as renovation work progresses, tied to milestones in your building contract. This structure is suitable for major renovations over $100,000 or projects involving structural changes, as you only pay interest on the amount drawn down at each stage.

Do I need to refinance my entire loan to access equity for a renovation?

Not always. You can take out a separate top-up loan secured against your property, allowing you to keep your existing loan and its terms. This works well if your current loan has a competitive interest rate or features you want to retain.

Will lenders consider the value of my property after the renovation is complete?

Some lenders will use an 'as if complete' valuation for substantial renovations, allowing you to borrow against the projected post-renovation value. This requires detailed plans, quotes, and a valuer's assessment of the expected improvement in property value.

What documentation do I need for a construction loan?

You will need a fixed-price building contract with a licensed builder, a schedule of works, council approval if required, detailed plans, and proof of income. Some lenders also request a quantity surveyor's report or engineer's certificate for structural work.


Ready to get started?

Book a chat with a Finance & Mortgage Broker at Pollux Financial today.