Common Mistakes with Construction Loan Drawdowns

A progressive drawdown construction loan releases funds in stages as your build progresses, which means you only pay interest on the amount actually drawn down rather than the full loan from day one.

That sounds straightforward until you're midway through a build in Bondi Junction and your builder is waiting on a payment while your lender is waiting on a progress inspection report. The timing between these stages determines whether you're paying interest on money sitting idle or scrambling to cover costs before the next drawdown clears.

Most lenders structure drawdowns around five or six key milestones: base stage, frame stage, lock-up, fixing, practical completion, and final completion. Each stage triggers a site inspection, a valuation update, and then a funds release. The gap between your builder finishing a stage and you receiving the funds can be anywhere from a few days to two weeks, depending on how quickly the lender's panel valuer can attend and file their report.

How Lenders Calculate Interest During Construction

You're charged interest only on the portion of the loan that has been released. If your total loan is $900,000 and you've drawn down $300,000 for the base and frame stages, you're paying interest on $300,000 while the remaining $600,000 sits undrawn. Most lenders offer interest-only repayment options during the construction period, which keeps your monthly outgoings lower while the property isn't generating rent or being lived in.

Some lenders also charge a progressive drawing fee each time funds are released. This fee typically ranges from $150 to $400 per drawdown, which adds up across five or six stages. A few lenders roll this fee into the loan rather than requiring it upfront, but you'll still pay interest on it over the life of the loan. When comparing construction finance options, ask whether the progressive drawing fee is a flat rate or varies by drawdown size.

Fixed Price Contracts and Progress Payment Schedules

Most residential builds in the eastern suburbs use a fixed price building contract, which locks in the total cost and sets out a progress payment schedule tied to construction milestones. The builder invoices you at each stage, and you draw down from your construction loan to make the payment. The contract should specify exactly what percentage of the total price is due at each stage, and those percentages need to align with your lender's drawdown structure.

Consider a scenario where a builder is constructing a custom home in Bondi Junction under a fixed price contract for $850,000. The contract specifies 10% at base stage, 15% at frame, 35% at lock-up, 25% at fixing, 10% at practical completion, and 5% at final. The lender's valuer attends each stage, confirms the work matches the invoice, and releases the corresponding funds. Because the builder's percentages match the lender's staged approach, the drawdowns flow without holdups. If the builder had front-loaded the schedule with 40% due at frame stage but the lender would only release 25%, the buyer would need to cover the shortfall from their own cash until the next stage.

Progress Inspections and What Triggers a Drawdown

Every drawdown is conditional on a progress inspection carried out by the lender's valuer. The valuer attends the site, confirms the stage is complete to the standard described in the contract and council plans, and provides a report to the lender. Only then does the lender release funds. This process protects you from paying for work that hasn't been done, but it also means you can't draw down funds in advance of the builder completing a stage.

The delay between the builder invoicing and the lender releasing funds is where cash flow problems usually surface. If your builder invoices on a Friday and the valuer can't attend until the following Wednesday, you might not see funds hit your account until the end of that week. Builders working on tight schedules sometimes wait for payment before ordering materials for the next stage, which can push your completion date out. Keeping a buffer of $10,000 to $20,000 in accessible savings gives you the option to pay the builder on time and reimburse yourself once the drawdown clears, rather than holding up the build.

Land and Construction Packages Versus Standalone Construction Loans

If you're buying land and building on it, you'll usually need two settlements: one for the land purchase and another that transitions into the construction drawdown phase. Some lenders offer a construction to permanent loan structure that covers both the land purchase and the build under one approval, then converts to a standard home loan once construction is finished. This avoids the need to reapply or refinance after the build completes.

Other buyers already own the land, either as a vacant block or with an existing dwelling they plan to demolish. In that case, the lender will value the land, confirm council approval for the new build, and structure the loan based on the combined value of land plus completed construction. If you're renovating rather than building from scratch, the same progressive drawdown structure applies, but the stages might be tailored to the scope of work rather than a standard new build schedule. For larger renovations, some lenders treat it as construction finance rather than a home improvement loan, particularly if the work involves structural changes or extends beyond six months.

Owner Builder Finance and Registered Builder Requirements

Most lenders will only approve construction finance if you're using a registered builder with appropriate insurance. If you're planning to act as an owner builder, your options narrow significantly. A handful of lenders will consider owner builder finance, but they typically require evidence of your building experience, a detailed cost breakdown, and a larger deposit. The drawdown process is the same, but the lender's valuer scrutinises progress more closely because there's no licensed builder providing contractual accountability.

In our experience, owner builder applications take longer to assess and often attract a higher interest rate due to the additional risk. If you're an experienced tradesperson managing your own build in Bondi Junction, it's worth discussing your plans with a mortgage broker early in the process. The lender will want to see council plans, a progress payment schedule that breaks down costs by trade, and confirmation that you've engaged licensed plumbers and electricians for the regulated components of the work.

Cost Plus Contracts and How Lenders Assess Them

A cost plus contract is less common in residential construction but still appears in custom builds where the scope isn't fully defined upfront. Under this structure, you pay the builder for the actual cost of labour and materials, plus an agreed margin or fee. The total price isn't fixed, which makes lenders cautious. They'll typically lend based on a maximum value derived from the builder's estimate and the valuer's assessment of the completed property, but they won't increase the loan if costs overrun.

If you're building a custom design with high-end finishes or unusual materials, a cost plus contract might give you more control over the build, but you'll need a larger cash reserve to cover any cost increases that exceed the approved loan amount. Lenders will still release funds progressively, but each drawdown will be based on actual invoices from suppliers and subcontractors rather than a predetermined percentage of a fixed price.

Development Applications, Council Approval, and Loan Conditions

Your lender will require evidence of council approval before they'll make the first drawdown. This usually means a construction certificate or complying development certificate, depending on the type of build. If you're still waiting on a development application to be approved, most lenders will issue conditional approval for the loan but won't settle or release funds until the DA comes through.

Bondi Junction sits within Waverley Council, and approval timeframes can vary depending on the complexity of the application and whether the site is subject to heritage or environmental overlays. If your block is close to Bondi Junction's commercial precinct or within one of the residential conservation areas, expect the DA process to take longer. Some lenders will include a condition that you must commence building within a set period from the loan disclosure date, typically six or twelve months. If council approval drags beyond that window, you may need to request an extension from the lender or risk the approval lapsing.

What Happens When You Draw Down More or Less Than Expected

If the lender's valuer determines that the work completed at a particular stage is worth less than the amount invoiced by the builder, the lender may reduce the drawdown to match the valuer's assessment. This leaves you to either negotiate with the builder, cover the shortfall yourself, or delay payment until the discrepancy is resolved. It's uncommon if you're working with a registered builder under a fixed price contract, but it can happen if there are variations or if the valuer interprets the stage differently to the builder.

Conversely, if you've budgeted conservatively and the build comes in under the approved loan amount, you don't have to draw down the full facility. You'll only pay interest on what you've actually borrowed, and the unused portion of the approval simply expires once construction is complete and the loan converts to a standard home loan.

Call one of our team or book an appointment at a time that works for you. We'll walk through your build timeline, match the drawdown structure to your builder's payment schedule, and make sure you're not paying fees or interest you don't need to.

Frequently Asked Questions