Buying a property that needs work is often the only way to enter a suburb you want to live in when your equity has been split and your borrowing capacity sits lower than it used to.
Construction finance for a renovation project works differently to a standard home loan because funds are released progressively as work is completed, rather than all at once. The lender holds the total approved loan amount and releases funds in stages based on a progress payment schedule tied to specific milestones like slab completion, frame and lock-up, fixing stage, and practical completion. You only pay interest on the amount drawn down at each stage, which means your repayments stay lower during the build phase.
How Progress Payments Reduce Pressure During the Build
With a construction to permanent loan, the lender assesses the finished value of the property rather than just the purchase price. That finished value becomes the basis for your loan amount, which means you can borrow against what the home will be worth once renovations are complete. The drawdown happens in instalments matched to a progress payment schedule, and a progress inspection is required before each release to confirm the work has been done to standard.
Consider someone who purchases a dated home for $480,000 in a suburb where renovated properties sell for $650,000. They plan to spend $120,000 on a full kitchen and bathroom overhaul, new flooring, and repainting. The lender approves the loan based on the $600,000 end value, releases funds progressively as each stage is completed, and charges interest only on the amount drawn down. During the renovation, repayments stay manageable because the full loan balance hasn't been released yet.
What the Lender Needs Before Approving a Renovation Loan
Lenders want to see council approval if the work involves structural changes, and a fixed price building contract from a registered builder. If the renovation includes extensions or changes to the footprint, you'll need a development application lodged and approved before settlement. Most lenders won't release funds without proof that council plans have been submitted and any required permits are in place.
You'll also need a detailed scope of works, a progress payment finance structure that matches the builder's invoice schedule, and evidence that the renovation will genuinely add value. In our experience, lenders are more comfortable with cosmetic updates managed by a licensed builder than with owner builder finance, particularly when someone is going through separation and the lender sees limited experience with construction projects.
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Interest-Only Repayments Until Construction Finishes
Most construction funding arrangements allow interest-only repayment options during the build phase, which means you're only covering the interest on whatever has been drawn down so far rather than paying principal and interest on the full loan amount. Once the project reaches practical completion and the valuer confirms the finished value, the loan converts to a standard principal and interest home loan unless you've negotiated ongoing interest-only terms.
The typical construction draw schedule includes four to six releases depending on the scope of work. Each release requires a progress inspection by the lender's valuer, and most lenders charge a Progressive Drawing Fee or Progressive Payment Schedule administration fee of around $250 to $400 per inspection. Factor those costs into your budget upfront because they add up across multiple drawdowns.
Fixed Price Contracts Versus Cost Plus Arrangements
A fixed price building contract locks in the total cost before work starts, which protects you from budget blowouts and gives the lender confidence that the project won't run over. A cost plus contract, where you pay the builder's costs plus a margin, introduces more uncertainty and many lenders won't accept it unless you've got a large cash buffer.
When you're separating and managing cashflow carefully, a fixed price contract makes more sense because you know exactly what the renovation will cost and the lender can structure the progressive drawdown around a clear payment schedule. The builder invoices at each milestone, the lender releases funds after the progress inspection, and you stay in control of both timing and cost.
How Quickly You Need to Start the Build
Most construction loan approvals require you to commence building within a set period from the Disclosure Date, usually six to twelve months. If you're buying a property that needs renovation but you're not ready to start immediately because settlement is still being finalised or you're waiting on council plans, check the lender's timeline requirements before committing.
Some lenders are more flexible if the delay is due to council approval processes, but others will require you to reapply if construction hasn't started within the agreed window. That can mean another credit assessment, updated valuations, and potential changes to your loan amount if market conditions or your financial situation have shifted.
When Renovation Finance Works Better Than Buying Finished
If you're separating and your deposit is smaller than it was when you bought together, purchasing a property that needs work and using construction finance to add value can be a more realistic path than competing for renovated homes in the same suburb. You're borrowing against the end value rather than the purchase price, which means your loan amount can cover both the property and the renovation costs without requiring a separate personal loan or savings top-up.
As an example, someone with a $60,000 deposit might struggle to buy a move-in-ready home in their preferred area, but they could purchase a renovation project for $450,000, spend $100,000 on updates funded through the construction loan, and end up with a property worth $580,000. The lender assesses their borrowing capacity based on the finished value, releases funds progressively, and the buyer only pays interest on what's been drawn down during the build.
That structure works particularly well when you need to get settled in a specific location for work, schools, or proximity to family, but your equity share from the separation doesn't stretch far enough to buy a finished home in that suburb. The trade-off is managing the renovation process, dealing with builders and plumbers and electricians, and living through the disruption, but the financial outcome can be worth it.
Call one of our team or book an appointment at a time that works for you. We'll look at your deposit, your borrowing capacity, and whether construction finance for a renovation project gives you more options than a standard home loan would right now.
Frequently Asked Questions
How does a construction loan work for a renovation project?
A construction loan releases funds in stages as renovation work is completed, rather than all at once. The lender assesses the finished value of the property and releases funds progressively based on a progress payment schedule tied to milestones like frame completion and fixing stage. You only pay interest on the amount drawn down at each stage.
Can I borrow the full amount needed for both the purchase and renovation?
Yes, the lender assesses the finished value of the property after renovation rather than just the purchase price. Your loan amount is based on what the home will be worth once renovations are complete, which means the loan can cover both the purchase and the renovation costs. Funds are released progressively as work is completed.
What does a lender need to approve a renovation loan?
Lenders typically require council approval if the work involves structural changes, a fixed price building contract from a registered builder, and a detailed scope of works. If the renovation includes extensions, you'll need a development application approved before settlement. Most lenders won't release funds without proof that council plans and permits are in place.
Do I pay interest on the full loan amount during the renovation?
No, you only pay interest on the amount drawn down at each stage of the renovation. Most construction loans offer interest-only repayment options during the build phase, which keeps repayments lower until the project is finished. Once renovations are complete, the loan typically converts to principal and interest repayments.
How long do I have to start the renovation after loan approval?
Most lenders require you to commence building within six to twelve months from the loan disclosure date. If construction hasn't started within that window, you may need to reapply, which can mean another credit assessment and updated valuations. Check the lender's timeline requirements before committing to a purchase.
