The Easiest Way to Get Construction Loan Approval

Getting approval for construction finance involves more moving parts than a standard home loan.

Lenders assess not just your financial position but the viability of your build, the builder's credentials, and whether the project timeline and contract structure give them enough security. The approval process splits into two stages: initial loan approval based on your capacity, and formal approval once contracts and council plans are finalised. Knowing what sits in each stage helps you move through the process without unnecessary delays.

What Lenders Assess Before Approving Construction Finance

Lenders evaluate your income, expenses, and deposit just as they would for any home loan, but they also scrutinise the build itself. They want to see a fixed price building contract with a registered builder, council approval or at least a development application lodged, and enough equity or deposit to cover both the land purchase and construction costs. Most lenders require a 10% deposit on the total project, though some will consider 5% for house and land packages with Lenders Mortgage Insurance.

Consider a buyer purchasing suitable land in Cheltenham for $650,000 and planning a build quoted at $580,000. The total project sits at $1,230,000. With a 10% deposit of $123,000 plus stamp duty and legal costs, the buyer needs around $150,000 in savings or equity. The lender will assess whether the buyer can service the loan amount once construction is complete and the loan converts to principal and interest repayments. During construction, most lenders offer interest-only repayment options on the amount drawn down, which keeps repayments lower while the build progresses.

Fixed Price Contracts and Why They Matter for Approval

Most lenders will only approve construction funding under a fixed price building contract. A cost plus contract, where the builder charges actual costs plus a margin, introduces too much uncertainty around the final loan amount. Lenders want to know exactly what they're funding before they commit. The fixed price contract should include a detailed progress payment schedule that breaks the build into stages, typically base, frame, lock-up, fixing, and completion. Each stage triggers a progress payment, and the lender releases funds according to a construction draw schedule after a progress inspection confirms the work is done.

The contract should also state that you must commence building within a set period from the Disclosure Date, usually six to twelve months. If the project stalls, lenders can withdraw approval. This clause protects them from approving a loan based on current conditions, only to have the build start in a very different market.

Council Approval and the Role It Plays in Final Approval

You can apply for construction loan approval before council plans are finalised, but most lenders won't release a formal loan offer until you have at least a development application lodged or council approval granted. Some lenders will issue conditional approval based on plans submitted to council, then move to formal approval once the permit is issued. Others prefer to wait until the permit is in hand.

In suburbs like Brighton East and Bentleigh, where planning overlays and heritage considerations can extend council approval timelines, it's worth starting the loan application in parallel with the council process rather than waiting for the permit to come through. That way, you know your borrowing capacity and can adjust the build spec if needed before the contract is signed.

How the Progressive Drawdown Process Works

Once approved, construction finance operates differently to a standard home loan. Instead of receiving the full loan amount upfront, funds are released in instalments as each stage of the build is completed. The lender arranges a progress inspection, usually by a third-party valuer, to confirm the stage is finished and the work matches the contract value. Once verified, the lender releases the payment to the builder or directly to you if you're managing payments to sub-contractors like plumbers and electricians.

Lenders only charge interest on the amount drawn down, so if $200,000 has been released for the base and frame stages, you're only paying interest on that portion, not the full loan amount. Some lenders charge a Progressive Drawing Fee for each inspection and drawdown, typically $300 to $500 per stage. Others bundle this into the loan or waive it depending on the product. Knowing this upfront helps you budget accurately for the build period.

Owner Builder Finance and Why It's Harder to Secure

If you're planning to act as an owner builder rather than engaging a registered builder, approval becomes more difficult. Most mainstream lenders won't offer owner builder finance because the risk of cost blowouts, project delays, and incomplete work increases significantly without a licensed builder overseeing the project. A handful of specialist lenders will consider it, but they typically require a larger deposit, charge higher interest rates, and impose stricter drawdown conditions.

In our experience, clients who think they'll save money by managing the build themselves often underestimate the time, expertise, and funding complexity involved. Unless you have significant construction experience and a clear plan to pay sub-contractors and manage the progress payment schedule, working with a registered builder makes the approval process smoother and keeps the project on track.

Linking Land Purchase and Construction Funding

If you're buying land and building separately rather than through a house and land package, you'll need to structure the finance carefully. Some lenders offer a land and construction package that approves both components upfront, even if the build won't start for several months. The land component settles first, and you pay interest only on that portion until construction begins. Once the build starts, the construction funding is progressively drawn down.

Other lenders prefer to approve the land purchase first, then reassess and approve the construction loan separately once you have a signed building contract and council approval. This approach works if you're still finalising your custom design or choosing a builder, but it means going through two separate approval processes. For buyers in areas like Sandringham or Black Rock, where land prices are higher and holding costs add up quickly, a combined land and build loan reduces the time between purchase and construction start.

What Happens If the Build Goes Over Budget

Even with a fixed price contract, unexpected costs can emerge, particularly if you make changes to the spec or if site conditions require additional work not covered in the original contract. Lenders won't automatically increase the loan amount mid-build. If the project needs more funding, you'll need to apply for a loan variation, which requires reassessing your income and capacity. If you can't secure additional funding, you'll need to cover the shortfall with your own savings or delay non-essential inclusions.

This is why building a buffer into your initial budget matters. If the contract is $580,000, having an extra $20,000 to $30,000 in accessible savings gives you room to manage minor variations without needing to go back to the lender or pause the build. It also means you're not forced into making compromises on finishes or inclusions because the funding ran tight.

Preparing for the Approval Process

Before applying for construction loan approval, gather your fixed price building contract, council plans or development application, proof of deposit, and recent income documentation. Lenders will also want to see the builder's insurance certificates and registration details. If you're purchasing land that hasn't settled yet, provide the contract of sale and settlement timeline so the lender can structure the approval to align with your project schedule.

The timeline from initial application to formal approval typically runs four to six weeks, assuming council approval is either in place or expected soon. If you're still in the planning stage, it's worth speaking to a mortgage broker early to understand what structure will work once the build is ready to proceed. We regularly see buyers who assume they can't apply until everything is finalised, then find themselves waiting on finance after the builder is ready to start.

If you're planning a custom home or renovation in the Bayside area and want to understand how construction finance fits your situation, call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions