10 Ways to Finance Land Purchase for Your New Build

If you're buying land in Augusta to build on, the finance works differently to a standard home loan.

You'll need a construction loan that covers both the land purchase and the progressive payments to your builder as work gets done. Most lenders will settle the land component first, then release funds in stages as your build reaches agreed milestones. You only pay interest on what's been drawn down, not the full loan amount from day one.

How a Land and Construction Package Works

A land and construction package is a single loan that covers your land purchase and the cost of building your home. The lender settles the land portion at purchase, then releases the remaining funds progressively as your builder completes each stage of construction. Each drawdown is tied to a progress inspection, so the lender confirms work has been completed before releasing the next payment. You'll typically make interest-only repayments during construction, covering only the amount drawn so far, which keeps repayments lower while the house goes up.

Consider a buyer purchasing a block in Augusta, close to the town centre and within walking distance of the boat harbour. The land settles at $180,000, and the building contract is $420,000. The lender advances the land amount at settlement, then releases funds at five stages: base, frame, lock-up, fixing, and completion. At frame stage, around $250,000 has been drawn in total. The buyer pays interest only on that $250,000, not the full $600,000. Once the build is finished and the final inspection clears, the loan converts to principal and interest repayments like a standard home loan.

What Lenders Look for in a Construction Loan Application

Lenders assess construction loan applications based on your deposit, income stability, the fixed price building contract, and council approval for the build. Most require a minimum 10% deposit, though some will go lower if you qualify for a first home buyer scheme. The contract must be a fixed price agreement with a registered builder, and you'll need to show that council has approved the plans or that development application is well progressed. Lenders also want to see that building will commence within a set period from the loan approval, usually six to twelve months.

In our experience with buyers around Augusta, having council plans ready before you apply speeds things up considerably. The turnaround on a construction loan can be longer than a standard home loan because lenders need to review contracts, costings, and valuations for both land and the proposed dwelling. If your builder is registered and your plans are through council, you're in a stronger position.

Interest Rates and How Construction Funding Is Drawn Down

Construction loan interest rates are generally in line with standard variable home loan rates, though some lenders charge a small margin for the additional administration involved. You pay interest only on the amount drawn down at each stage, which means your repayments increase as the build progresses. Once construction is complete and the loan converts to principal and interest, the rate typically moves to the lender's standard variable or fixed rate depending on what you've locked in.

The progressive drawdown schedule is agreed at the start and usually follows a five or six stage structure. Your builder submits a progress claim, the lender arranges an inspection, and once the stage is signed off, funds are released directly to the builder. Some lenders charge a progressive drawing fee for each inspection, typically between $250 and $400 per drawdown. That's separate from the interest and should be factored into your budget upfront.

Fixed Price Contracts and Why They Matter for Approval

A fixed price building contract is essential for most construction loan approvals. It gives the lender certainty that the build won't blow out in cost, and it protects you from unexpected price increases during construction. The contract sets out the scope of work, the total price, and the progress payment schedule tied to specific milestones. Lenders won't usually approve a cost plus contract because the final price isn't locked in, which creates risk for both you and the bank.

If you're planning a custom design rather than a project home, your builder will still need to provide a fixed price quote based on detailed plans. The more clarity you have around finishes, materials, and inclusions before you apply, the smoother the approval process. Lenders in regional areas like Augusta are familiar with local builders, and using a registered builder with a solid track record can make a real difference to how your application is viewed.

Owner Builder Finance and Why It's Harder to Access

Owner builder finance is available, but it's more difficult to arrange and usually comes with higher deposits and stricter conditions. Lenders see owner builders as higher risk because there's no registered builder overseeing the project and no fixed price contract. You'll typically need at least 20% to 30% deposit, and the lender will want detailed costings, proof of relevant trade experience, and evidence that you've arranged qualified sub-contractors for plumbing, electrical, and structural work.

If you're considering going down the owner builder path in Augusta, it's worth talking through your circumstances early. Some lenders won't touch owner builder projects at all, while others have specialist teams that assess them case by case. We regularly see buyers who assume they'll save money by managing the build themselves, only to find the extra deposit required and the limited lender options make it less viable than using a registered builder with a standard construction loan.

Construction Timelines and What Happens If the Build Is Delayed

Most construction loan approvals are conditional on building commencing within six to twelve months of the loan being finalised. If your builder can't start on time due to material delays, weather, or other hold-ups, you'll need to contact your lender and request an extension. Some lenders will grant an extension without reapplying, while others may require updated financials and a fresh valuation if the delay is significant.

Augusta's coastal weather can affect construction schedules, particularly over winter when rain and wind slow down framing and external work. If you're buying land now with a view to starting construction in several months, build some buffer into your timeline. Lenders want to see forward momentum, and a build that drags on too long can trigger a loan review or require you to reapply if your circumstances have changed.

How Borrowing Capacity Is Calculated for Construction Loans

Your borrowing capacity for a construction loan is assessed on the total loan amount, not just the land purchase. Lenders calculate serviceability based on principal and interest repayments at the full loan amount, even though you'll be making interest-only payments during construction. That means you need to demonstrate you can afford the eventual repayments once the build is complete and the loan converts.

If you're also holding another property or have existing debt, that will be factored in. Lenders look at your income, employment stability, other commitments, and living expenses to work out how much you can comfortably service. It's worth running the numbers early, particularly if you're planning to build while renting elsewhere or if one partner is taking time out of the workforce. More on how that calculation works can be found on our borrowing capacity page.

Renovation Finance Compared to New Construction Loans

Renovation finance works differently to a construction loan for a new build. If you're buying an existing home in Augusta and planning a major renovation, you can access similar progressive drawdown structures, but the approval criteria and valuation process aren't the same. With a renovation, the lender is assessing the value of the existing dwelling plus the proposed improvements, and they'll often cap the loan at a percentage of the as-if-complete valuation.

For new builds, the land and construction are assessed separately, and lenders are generally more comfortable with the risk profile because you're working with a registered builder and a fixed price contract. If you're tossing up between buying land to build or buying an older home to renovate, the finance structure is one factor worth weighing up. Our construction loans page covers both options in more detail.

When to Start the Construction Loan Process

Start the construction loan process before you commit to buying land. Once you've identified a suitable block and you're ready to make an offer, get pre-approval sorted so you know exactly what you can borrow and what deposit you'll need. Pre-approval also gives you a clearer settlement timeline, which helps when negotiating terms with the vendor.

You'll need to move fairly quickly once the land purchase is underway. Have your builder lined up, get preliminary costings done, and make sure your council plans are lodged or approved. The more you can prepare before formal application, the faster the lender can assess and settle the land component. In a smaller community like Augusta, where suitable land doesn't come up constantly, being finance-ready means you won't miss out because you couldn't move quickly enough.

If you're planning to build in Augusta or anywhere in the south west, call one of our team or book an appointment at a time that works for you. We'll walk you through what's needed, line up the right lender, and make sure the finance structure fits your build timeline and budget.

Frequently Asked Questions