The Easiest Way to Structure Your Construction Loan

Understanding how construction loan structures work helps Secret Harbour residents avoid unnecessary costs and delays when building their new home.

Hero Image for The Easiest Way to Structure Your Construction Loan

A construction loan structure determines when funds are released and how interest is charged while your home is being built.

Most Secret Harbour residents building near the established areas around Oasis Drive or closer to the coast where land parcels are still available face a choice between construction-only loans and construction to permanent loans. The structure you choose affects your upfront costs, how much interest you pay during the build, and whether you need to reapply for finance once construction finishes. Getting the structure right from the start saves both money and administrative work later.

Construction to Permanent Loan Structures

A construction to permanent loan converts automatically to a standard home loan once your build completes, without requiring a second application or revaluation. You apply once, undergo one credit assessment, and the loan transitions from construction phase to standard repayment phase when you receive your occupancy certificate. During construction, you make interest-only payments on amounts drawn down, then switch to principal and interest repayments once the home is finished.

Consider a couple building a four-bedroom home on land they already own in Secret Harbour. They arrange a construction to permanent loan with a registered builder working from a fixed price building contract. The lender approves the total loan amount upfront based on the land value plus the contracted build cost. As the builder completes each stage, the lender releases funds according to the progress payment schedule, typically five or six payments aligned with foundation, frame, lockup, fixing, and completion stages. Interest accrues only on the amount drawn down at each stage, not the full approved amount.

This structure works well when you want certainty. The construction loan approval covers both the build phase and the finished home, so you avoid the risk of reapplying for finance in a different interest rate environment or with changed lending criteria. Most lenders charge a Progressive Drawing Fee for each payment release, usually between $300 and $500 per drawdown, which covers the progress inspection by a valuer who confirms the stage is complete before funds are released.

Ready to get started?

Book a chat with Mel at Down to Earth Mortgage Broking today.

Construction-Only Loan Structures

A construction-only loan provides funding during the build, then requires you to refinance into a standard home loan once construction finishes. These loans typically have a term of 12 to 18 months, enough time to complete most residential builds. You pay interest only on drawn amounts during construction, then at completion you apply for a new loan to pay out the construction facility.

Construction-only structures suit people who already have equity in the land and plan to refinance to a different lender after the build, perhaps to access a better ongoing interest rate or different loan features. The risk is that lending criteria, interest rates, or your financial circumstances might change during the build, affecting your ability to refinance on the terms you expected.

For someone building in Secret Harbour who purchased land 18 months earlier and has since seen equity growth, a construction-only loan might make sense if they can secure more competitive ongoing rates by refinancing once the home is complete and can be valued as a finished property. The trade-off is the additional application process, another round of valuation fees, and potential settlement costs when moving from the construction facility to the permanent loan.

How Progressive Drawdown Schedules Work

Progressive drawdowns release loan funds in instalments as construction reaches defined milestones, rather than providing the full amount upfront. The builder submits a claim when each stage is complete, the lender arranges a progress inspection, and if the work meets the contract specifications, funds are released directly to the builder within a few business days.

Most fixed price building contracts in Secret Harbour follow a five-stage payment schedule: deposit (usually 5% on signing), base stage (foundation and slab), frame stage (roof on and structure complete), lockup stage (windows and doors installed, external cladding complete), fixing stage (internal fit-out including plumbing and electrical), and final payment (when the occupancy certificate is issued). Some contracts use six stages, splitting the fixing stage into two separate payments.

The structure protects both you and the builder. You only pay for completed work, and the builder receives funds progressively rather than needing to fund the entire build from their own cash flow. Interest charges remain lower because you only pay interest on the amount drawn down. If $150,000 has been drawn from a $450,000 construction facility, interest is calculated on $150,000, not the full approved amount.

Your existing home loan arrangements, if you already own property, stay separate from the construction finance unless you are using equity from another property as part of your deposit or security.

Land and Construction Packages vs Buying Land First

A land and construction package bundles the land purchase and building contract into one transaction, often offered by developers selling house and land packages in new estates. The structure differs from buying land separately then arranging construction later, because the lender assesses and approves everything as a single application.

With a package, you typically need to commence building within a set period from the disclosure date, often 6 to 12 months. The land settles first, then construction begins according to the timeframe specified in your finance approval. Some lenders offer finance structures where you only make interest payments on the land value until construction starts, then interest accrues on progressive drawdowns as the build proceeds.

Buying land first gives you more time to finalise your custom design, get council approval for your development application, and choose your registered builder. However, you start paying interest on the land loan immediately after settlement, before construction even begins. For Secret Harbour residents building near the marina precinct or in the newer northern sections of the suburb where land releases continue, a package can reduce the time between land purchase and starting the build, which reduces the period where you are paying interest on land without a house on it.

Owner Builder and Cost Plus Contract Structures

Owner builder finance follows a different structure because you are acting as the builder, coordinating sub-contractors and managing the project yourself. Lenders treat owner builder applications with more scrutiny, requiring evidence that you have the skills, time, and financial buffer to complete the build. Drawdown structures for owner builder finance release funds progressively, but you need to provide invoices from plumbers, electricians, and other sub-contractors before each payment is released, rather than relying on a head contractor to submit stage claims.

Cost plus contracts, where you pay the actual cost of materials and labour plus a builder's margin, also require different loan structures. Instead of approving a fixed contract price, the lender approves based on detailed estimates and allows for variation. These structures are less common for residential builds in Secret Harbour, where most people use fixed price contracts with volume or project home builders.

Interest-Only Repayment Options During Construction

All construction loan structures use interest-only repayments during the build phase, charging interest only on amounts drawn down rather than the full approved loan amount. This keeps repayments lower while you are often still paying rent or a mortgage elsewhere, then repayments increase once the loan converts to principal and interest after completion.

Some lenders extend the interest-only period for a set term after construction finishes, giving you time to settle into the property before repayments increase. For someone building in Secret Harbour who plans to sell their current home once the new property is ready, this provides breathing room between completion and selling the existing property. Whether interest-only periods beyond construction make financial sense depends on your broader situation, including how much deposit you have and your income stability.

Working with a mortgage broker in Secret Harbour means comparing construction finance structures across multiple lenders, including how interest is calculated during the build and what ongoing rate and features apply once the loan converts.

Comparing Fixed and Variable Rates for Construction Loans

Construction loans typically start on a variable rate during the build phase, then you choose between fixed or variable once the loan converts to a standard home loan. Starting on a variable rate during construction makes sense because you are making interest-only payments on a changing balance as progressive drawdowns occur, and most lenders allow additional payments during construction to reduce interest without penalty.

Once construction finishes and the loan converts, you can fix the rate for a set period if you want repayment certainty, or stay variable if you prefer flexibility for additional payments or potential rate decreases. Some lenders offer split rate options, fixing part of the loan and keeping part variable. Your choice depends on your risk tolerance and financial goals after the build completes.

Secret Harbour's established community, with schools, shopping centres along Secret Harbour Boulevard, and access to the marina, attracts families building long-term homes rather than speculative builds. For those planning to stay in the property for many years, the ongoing loan structure after construction matters as much as the build phase itself.

Call Mel today or book an appointment at a time that works for you to compare construction loan structures and find the right fit for your build.

Frequently Asked Questions

What is the difference between a construction to permanent loan and a construction-only loan?

A construction to permanent loan converts automatically to a standard home loan once your build completes without requiring a second application. A construction-only loan provides funding during the build then requires you to refinance into a new loan once construction finishes, typically within 12 to 18 months.

How does progressive drawdown work during construction?

Progressive drawdown releases loan funds in instalments as construction reaches defined milestones. The builder submits a claim when each stage is complete, the lender arranges a progress inspection, and if the work meets specifications, funds are released directly to the builder. You only pay interest on the amount drawn down at each stage.

Do I pay interest on the full loan amount during construction?

No, construction loans only charge interest on the amount drawn down at each stage, not the full approved amount. If $150,000 has been drawn from a $450,000 facility, interest is calculated only on the $150,000 until the next drawdown occurs.

Should I buy land first or use a land and construction package?

Land and construction packages bundle everything into one transaction and often require you to start building within 6 to 12 months, reducing the time you pay interest on land without a house. Buying land first gives you more time to finalise your design and choose your builder, but you start paying interest on the land immediately after settlement.

Can I get owner builder finance in Secret Harbour?

Yes, but lenders treat owner builder applications with more scrutiny, requiring evidence you have the skills, time, and financial buffer to complete the build. Drawdowns require invoices from sub-contractors before each payment is released, rather than relying on a head contractor to submit stage claims.


Ready to get started?

Book a chat with Mel at Down to Earth Mortgage Broking today.