Simple hacks to manage your construction loan

From progress payments to drawdown schedules, here's how to keep your build on track and avoid funding delays in Earlwood.

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What Construction Loan Management Actually Involves

Managing a construction loan means coordinating payments to your builder as the work progresses, making sure each drawdown matches what's been completed, and keeping your lender informed throughout the build. You're not just signing documents at settlement and walking away. You're overseeing a series of payments released in stages, with inspections between each one.

In Earlwood, where knockdown-rebuilds and renovations are common on the area's established blocks, many people underestimate how hands-on the process becomes once construction starts. The lender won't release the full loan amount upfront. Instead, they'll pay your builder according to a progress payment schedule tied to specific milestones like slab completion, frame up, lockup, and practical completion. Each payment needs approval, and each approval follows an inspection.

Consider a couple building a new double-storey home on a subdivided block near Earlwood Oval. They secured a construction loan with a progressive drawdown structure. The builder submitted an invoice after pouring the slab, but the lender's valuer identified incomplete waterproofing. The drawdown was delayed by two weeks while the builder rectified the issue. That delay didn't just hold up payment. It pushed back the builder's schedule for ordering materials, which meant the frame went up later than planned. The couple had to extend their rental lease and pay an extra month's rent they hadn't budgeted for.

That scenario plays out more often than most people expect. The difference between a build that stays on schedule and one that blows out often comes down to how well the borrower manages the relationship between builder and lender.

How the Progressive Drawdown Works

The lender releases funds in instalments based on the stage of construction, not the amount of time that's passed. Each payment is triggered by a progress inspection, which confirms the work has been completed to the agreed standard. Most lenders use an independent valuer to conduct these inspections, and they won't release the next payment until the valuer signs off.

A typical progress payment schedule has five or six stages. The first drawdown usually covers the base and slab. The second covers the frame. The third might be lockup, when the roof and windows are in. The fourth covers fixing, which includes internal linings, plumbing, and electrical work. The final payment happens at practical completion, once the council issues an occupation certificate.

Your builder will send an invoice when each stage is finished. You submit that invoice to the lender, who arranges the inspection. If everything checks out, the lender releases the payment directly to the builder. If the valuer finds incomplete or substandard work, the payment is held until the issue is fixed. During construction, you only pay interest on the amount drawn down so far, not the full loan amount. That keeps your repayments lower while the build is underway, but it also means your repayments will jump once the final drawdown happens and the loan converts to principal and interest.

In Earlwood, where many builds involve demolishing older fibro or brick homes and replacing them with contemporary designs, council approval and development application timelines can add weeks to the front end of the process. You need to make sure your loan approval doesn't expire before construction actually starts. Most construction loan approvals require you to commence building within a set period from the date the loan is approved. If council delays push you past that date, you may need to reapply or request an extension.

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Fixed Price Contracts vs Cost Plus Contracts

A fixed price building contract sets a total price for the build, and the builder is responsible for completing the work within that budget. A cost plus contract charges you for the actual cost of materials and labour, plus a margin for the builder. The type of contract you sign affects how your lender structures the drawdown schedule and how much control you have over progress payments.

Most lenders prefer fixed price contracts because they reduce the risk of cost blowouts. With a fixed price contract, the lender knows exactly how much the build will cost, and the progress payment schedule is tied to set milestones. If the builder runs over budget, that's their problem, not yours. With a cost plus contract, the final price can vary depending on material costs, site conditions, and how long the build takes. That makes lenders nervous, and it often means stricter drawdown conditions or higher interest rates.

If you're planning a custom build with unique design features or you're acting as an owner builder, you might end up with a cost plus arrangement. In that case, your lender will want detailed invoices from every subcontractor before releasing each payment. You'll need to track costs carefully and provide receipts for materials, labour, and any variations. That adds a layer of admin that doesn't exist with a fixed price contract, and it means you'll be chasing paperwork throughout the build.

What Happens When Progress Payments Are Delayed

When a drawdown is delayed, the builder doesn't get paid on time. That affects their cash flow, which can delay the next stage of construction. If the delay is caused by incomplete work, the builder needs to fix it before the lender will release the payment. If the delay is caused by slow valuations or paperwork issues on the lender's side, you need to follow up and push for a faster turnaround.

Some lenders charge a progressive drawing fee for each inspection and payment. That fee can range from $200 to $500 per drawdown, depending on the lender and the complexity of the build. Over five or six payments, those fees add up. When you're comparing construction finance options, check how much the lender charges per drawdown and factor that into your budget.

In our experience, delays are most common at the frame and lockup stages. The frame stage involves a lot of structural work, and valuers are looking for compliance with the approved plans. If the builder has made any changes without updating the council plans, the valuer will flag it, and the payment will be held until the plans are amended. At lockup, delays often come from incomplete weatherproofing or missing fixtures. The builder might consider the stage finished, but the valuer is checking against the lender's criteria, which can be more detailed than the builder expects.

Staying on top of progress inspections means communicating with both your builder and your lender. If your builder tells you a stage is finished, let your lender know straight away and request the inspection. Don't wait for the builder to chase it. The sooner the inspection happens, the sooner the payment is released, and the sooner the next stage can start.

Interest-Only Repayments During Construction

Most construction loans offer interest-only repayment options during the build, which means you only pay interest on the amount drawn down so far. Once construction is finished and the final payment is made, the loan converts to a standard principal and interest home loan, and your repayments increase.

During the build, your repayments will gradually rise as each drawdown happens. After the first payment, you might be paying interest on 20% of the total loan. After the second, it might be 40%. By the time you reach practical completion, you're paying interest on the full amount. When the loan converts, you'll also start paying down the principal, which can double your monthly repayment compared to what you were paying during construction.

If you're living in a rental while your new home is being built, you need to budget for both rent and loan repayments during construction. Some people assume they'll only be paying one or the other, but you're actually paying both until the build is finished and you move in. That can stretch your cash flow, especially if the build takes longer than expected.

For anyone refinancing to fund a renovation rather than a full build, the same drawdown structure applies. A house renovation loan still requires progress inspections and staged payments, even if you're only adding a second storey or extending the back of the house. The lender treats it the same way as new construction, which means you need to manage the process just as carefully.

Setting Up Your Construction Loan for a Smooth Build

Before construction starts, make sure you have a clear progress payment schedule from your builder and a copy of your fixed price building contract. Send both to your lender so they can set up the drawdown schedule in their system. Confirm how much the lender charges per progress inspection and how long each inspection typically takes.

Ask your lender whether they require you to hold back a retention amount from each payment until practical completion. Some lenders withhold 5% to 10% of each drawdown as a buffer against defects or incomplete work. That retention is released once the build is finished and signed off. If your builder is expecting full payment at each stage, but your lender is holding back 10%, you need to sort that out before the first invoice is submitted.

If you're buying a land and construction package or working with a project builder, the builder will usually manage most of the paperwork and coordinate with the lender. If you're using a custom designer or acting as an owner builder, you'll need to be more involved. Make sure you understand who is responsible for submitting invoices, requesting inspections, and following up on delayed payments.

Earlwood sits in the inner west, where block sizes are often smaller and council requirements around setbacks, heritage overlays, and street character can add complexity to the approval process. If your build involves demolition or significant changes to the existing structure, check that your development application has been approved and that your builder has all the necessary council approvals before you lock in your loan. A missing approval can delay the start of construction, which can push you past the timeframe allowed under your loan approval.

Managing a construction loan isn't complicated, but it does require attention. Stay in touch with your builder, respond quickly to lender requests, and keep an eye on the drawdown schedule. If something looks wrong or a payment is delayed, follow up straight away rather than waiting for someone else to fix it.

Call one of our team or book an appointment at a time that works for you. We'll help you set up your construction finance and make sure the drawdown process runs smoothly from start to finish.

Frequently Asked Questions

How does a construction loan drawdown work?

The lender releases funds in stages as the build progresses, based on inspections at key milestones like slab, frame, lockup, and completion. Each payment is approved by a valuer before being released to your builder.

Do I pay interest during construction?

Yes, but only on the amount drawn down so far, not the full loan amount. Most construction loans offer interest-only repayments during the build, which keeps costs lower until the final drawdown.

What happens if a progress payment is delayed?

If the valuer finds incomplete or substandard work, the payment is held until the issue is fixed. Delays can affect your builder's schedule and push back the next stage of construction.

What is a progressive drawing fee?

It's a fee charged by the lender for each progress inspection and drawdown, usually between $200 and $500 per stage. Over five or six payments, these fees can add several thousand dollars to your total build cost.

Can I use a construction loan for a renovation?

Yes, construction loans can be used for major renovations as well as new builds. The lender will still require a progress payment schedule and inspections at each stage, just like a full construction project.


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Book a chat with a Mortgage Broker at WealthStreet Mortgage Brokers today.