Top tips to finance an investment property build

How construction loans work for investors, from progressive drawdowns to interest-only repayments and what lenders assess before approval

Hero Image for Top tips to finance an investment property build

Building an investment property from the ground up gives you control over design, location, and the final product you hand to tenants.

Construction finance for investment properties works differently to standard home loans. You draw down funds in stages as the build progresses, paying interest only on what has been released. Lenders assess both your serviceability and the viability of the project, which means more documentation and tighter approval criteria than you would face with an established property purchase.

How construction loans differ from standard investment loans

A construction loan releases funds progressively as your builder completes each stage of the build, not as a lump sum at settlement. You only pay interest on the amount drawn down at each stage, which reduces holding costs while the property generates no rental income.

Lenders structure these as construction-to-permanent loans. During the construction phase, you make interest-only repayments on whatever has been drawn. Once the build is complete and you receive an occupancy certificate, the loan converts to a standard investment loan with principal and interest or interest-only repayment options.

Most lenders require a registered builder working under a fixed price building contract. Owner builder finance exists but is limited to a small number of lenders and comes with stricter deposit requirements, often 20% or more.

What lenders assess when you apply

Lenders evaluate your income, existing debts, and ability to service the loan during construction when the property is not generating rent. They also assess the project itself, including council approval, building plans, the builder's credentials, and whether the land is suitable for the proposed build.

You will need a fixed price building contract, council plans, a progress payment schedule, proof of council approval or development application lodgement, and evidence of your deposit. Some lenders also request a quantity surveyor report or an independent valuation of the land and proposed improvements.

Consider an investor who owns land valued at $400,000 and plans to build a duplex with construction costs of $600,000. The lender assesses the project based on a total value of $1 million once complete, but requires the investor to demonstrate serviceability on the full loan amount of $1 million while also covering their current mortgage and living expenses. If the investor's income supports the repayments and the project meets lending policy, the loan is approved with funds released according to the progress payment schedule.

Ready to get started?

Book a chat with a Finance & Mortgage Broker at Artisan Finance today.

Progressive drawdown and how interest accrues

Funds are released at specific stages such as slab down, frame up, lock-up, fixing, and practical completion. Each drawdown requires a progress inspection by the lender's valuer or an independent inspector to confirm the stage is complete before releasing the next payment.

Interest accrues only on the amount drawn down, not the full loan amount. If $200,000 has been released by lock-up stage, you pay interest on $200,000, not the full $1 million loan. This structure keeps your repayments lower during construction, but you still need to demonstrate to the lender that you can service the full loan amount from day one.

Lenders charge a progressive drawing fee, typically between $300 and $500 per drawdown, to cover the cost of inspections. Some lenders cap the number of free inspections and charge for additional stages if the build requires more frequent payments.

Land and construction packages versus separate purchases

You can structure the purchase as a land and construction package, where you buy land and sign a building contract simultaneously, or as separate transactions where you already own the land or purchase it before engaging a builder.

Land and construction packages often come with developer incentives but may limit your choice of builder or design. Purchasing land separately gives you more flexibility but requires two separate approvals and potentially two settlements if the land purchase completes before construction begins.

If you buy land first, most lenders require you to commence building within a set period from the disclosure date, typically 12 months. If construction has not started within that window, the lender may reassess your serviceability or require a new valuation.

Interest-only repayments and holding costs

Most investors opt for interest-only repayments during construction because the property is not yet generating rental income. Once the build is complete and a tenant is in place, you can choose to continue with interest-only repayments or switch to principal and interest depending on your tax position and cashflow.

During construction, your holding costs include interest on the drawn-down loan amount, land tax if applicable, council rates, and any insurance required under the building contract. These costs add up over a typical build period of six to twelve months, so factor them into your project budget alongside the construction cost itself.

In a scenario where an investor is building a townhouse in a high-demand rental area, they budget $8,000 in holding costs during the six-month build, covering interest on progressive drawdowns, council rates, and insurance. Once complete, the property achieves a rental yield that covers the ongoing interest-only repayments and running costs, allowing the investor to retain the property without ongoing cashflow pressure.

Switching from construction to permanent loan

Once your builder issues a certificate of practical completion and you receive an occupancy certificate from the council, the lender conducts a final valuation. If the completed property meets or exceeds the contracted value, the construction loan converts to a standard investment loan.

At this point, you can negotiate your ongoing interest rate, lock in a fixed rate if that suits your strategy, or remain on a variable rate with offset or redraw facilities. Some lenders offer a single approval process covering both construction and the permanent loan, while others require a separate approval once the build is complete.

Call one of our team or book an appointment at a time that works for you to discuss your project, review your serviceability, and access construction loan options from banks and lenders across Australia.

Frequently Asked Questions

How do construction loans release funds for investment property builds?

Funds are released progressively at specific stages such as slab down, frame up, lock-up, and practical completion. Each drawdown requires a progress inspection to confirm the stage is complete before the next payment is made.

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

No, you only pay interest on the amount drawn down at each stage. If $200,000 has been released, you pay interest on that amount, not the full loan value.

What do lenders assess when approving construction finance for investment properties?

Lenders assess your income and serviceability, the project viability, council approval, fixed price building contract, builder credentials, and whether the land is suitable for the proposed build. They evaluate the completed value, not just the land or construction cost alone.

Can I use a construction loan if I already own the land?

Yes, you can use construction finance on land you already own. Most lenders require you to commence building within 12 months of loan approval or they may reassess your application.

What happens when the build is complete?

Once you receive an occupancy certificate, the lender conducts a final valuation and converts the construction loan to a standard investment loan. You can then choose interest-only or principal and interest repayments depending on your strategy.


Ready to get started?

Book a chat with a Finance & Mortgage Broker at Artisan Finance today.