Do you know how Construction Loan Features work?

Construction loans work differently to standard home loans because you only pay interest on the amount drawn down at each stage of the build.

If you're planning to build in Redhead or nearby suburbs like Charlestown or Warners Bay, understanding how construction loan features actually work can save you thousands during the build and help you avoid surprises when the builder requests the next payment. The structure of these loans is built around the reality that your home gets built in stages, and your loan gets released in stages to match.

Progressive Drawdown: You Only Pay for What's Been Built

With a construction loan, the loan amount gets released in instalments as your build progresses, not as a lump sum upfront. This means you only pay interest on what's been drawn down so far, which keeps your repayments lower during construction compared to borrowing the full amount from day one.

Consider a Redhead buyer building a custom home on suitable land near the coastal reserve. The total loan amount is $650,000, but at the slab stage, only $130,000 has been drawn. They're paying interest on $130,000, not the full amount. After frame stage, another $195,000 is released, and interest adjusts to reflect the new total. By the time the build reaches lockup, around 70% of the loan has been drawn, and repayments increase accordingly. This staged approach means lower costs early in the build when cash flow often matters most.

Most lenders charge a Progressive Drawing Fee each time funds are released. This typically ranges from $150 to $400 per drawdown, and with five to six progress payments common on a standard build, it adds up. Some lenders cap these fees or waive them entirely depending on the loan size, so it's worth comparing before you commit.

Interest-Only Repayment Options During Construction

Most construction loans allow interest-only repayments during the building period, which means you're not paying down the principal until the build is complete and the loan converts to a standard home loan.

This feature suits buyers who are paying rent or holding another mortgage while their new home is being built. You're covering the interest as each stage is drawn, but you're not locked into higher principal and interest repayments until you've moved in. Once construction is finished and the loan converts to a construction to permanent loan, you switch to standard repayments based on your chosen loan term.

In our experience, buyers in Redhead often choose this option when building while living elsewhere, as it keeps the financial load manageable during a period when costs can stack up quickly.

Progress Payment Schedules and How They're Triggered

Payments are released based on a progress payment schedule, which is tied to specific stages of construction outlined in your fixed price building contract. The builder submits a payment claim, the lender arranges a progress inspection to confirm the work is complete, and the funds are released to the builder.

Typical stages include base stage, frame stage, lockup, fixing stage, and practical completion. Each stage represents a milestone where a certain percentage of the build is finished and a corresponding portion of the loan is drawn. The schedule is agreed upfront and included in your construction loan application, so both you and the builder know exactly when payments will be made.

If the inspection identifies incomplete work or issues that don't meet the contract standard, the lender may hold back part or all of that drawdown until the problem is resolved. This protects you from paying for work that hasn't been done to the required standard, but it can also delay payments to the builder, so keeping the project on schedule matters.

Fixed Price Contracts and Cost Plus Contracts: What the Difference Means for Your Loan

Most lenders prefer fixed price contracts because the build cost is locked in, which makes it easier to assess the loan amount and reduces the risk of cost blowouts halfway through.

Under a fixed price building contract, the builder agrees to complete the home for a set price, and your construction funding is structured around that figure. If the builder underestimates costs, that's their problem, not yours. It gives you certainty and makes the loan approval process more straightforward.

A cost plus contract, on the other hand, means you're paying the builder's actual costs plus a margin. The final price isn't locked in, and if costs increase during the build, you may need to find additional funds or increase your loan amount. Some lenders won't touch cost plus contracts at all, and those that do often require larger deposits or more detailed documentation.

For buyers building a custom design home in Redhead, a fixed price contract is usually the safer option, particularly if you're working close to your borrowing capacity and don't have a buffer for unexpected costs.

Council Approval, Development Applications, and Timing Requirements

Before any construction funding is released, your lender will need to see council approval and confirmation that all conditions on the development application have been satisfied. Without it, the loan won't settle.

Some lenders also include a condition that you must commence building within a set period from the disclosure date, often six or twelve months. If you don't start within that window, the loan offer may lapse and you'll need to reapply, which could mean a different interest rate or different terms depending on what's changed in the market.

In Redhead, where land near the coastline can come with additional planning overlays or bushfire requirements, getting council plans approved can take longer than expected. Factor in time for any conditions that need to be met, and make sure your registered builder is ready to start as soon as the loan settles. Delays at this stage can push back your entire build timeline and affect your construction loan interest rate if you need to reapply.

What Happens When the Build Is Finished

Once your new home reaches practical completion and the final inspection is done, the construction loan converts to a standard home loan. You move from interest-only repayments on progressive drawdowns to principal and interest repayments on the full loan amount.

This is also when your loan terms lock in for the long term. If you've been on a variable rate during construction, you can choose to fix part or all of the loan at this point. If you've been on a fixed rate, the terms continue as agreed. Your repayments will increase compared to what you were paying during the build, so it's worth planning ahead and making sure your budget can handle the step up.

For buyers building in the Lake Macquarie area, this transition usually happens around the same time you're managing final costs like landscaping, fencing, and connecting services, so cash flow can be tight. Knowing what your repayments will look like once the build is done helps you plan properly and avoid stretching yourself too thin in the final stages.

If you're ready to start your build in Redhead and want to understand how construction loan features apply to your situation, call one of our team or book an appointment at a time that works for you. We'll walk through the numbers, the timing, and the structure so you know exactly what to expect at every stage.

Frequently Asked Questions