Simple hacks to fund your building project

Self-employed borrowers often assume construction finance is out of reach because they don't receive traditional payslips. That assumption costs them the opportunity to build exactly what they need instead of settling for an existing property that doesn't quite fit.

How Construction Funding Works When You're Self-Employed

Construction finance releases funds in stages as your build progresses, not as a single upfront lump sum. Lenders only charge interest on the amount drawn down at each stage, which means you're not paying interest on the full loan amount while the build is still underway. For self-employed borrowers, this structure actually works in your favour because it demonstrates responsible cash flow management and aligns repayments with the actual funds being used.

Most lenders split a build into four to six progress payments tied to specific construction milestones such as base stage, frame stage, lock-up, and practical completion. A registered builder submits a progress claim after completing each stage, a progress inspection confirms the work is done, and the lender releases the next drawdown directly to the builder. You'll typically need to arrange a fixed price building contract with a registered builder before applying, as lenders prefer the certainty of a locked-in price over cost plus arrangements.

What Lenders Actually Assess for Self-Employed Applicants

Lenders assess your income using two years of tax returns and business financials, not payslips. They focus on your net profit after deductions, which means the same strategies you use to reduce taxable income can also reduce your borrowing capacity. If you've been writing off significant expenses to lower your tax bill, you may need to adjust your approach in the lead-up to applying for construction funding.

Consider a self-employed electrician who wants to build a custom home but has been claiming maximum deductions for vehicle expenses, home office, and equipment depreciation. Over two financial years, their taxable income sits at around $65,000 annually despite running a healthy business. When they apply for construction finance, the lender calculates serviceability based on that $65,000 figure, which limits the loan amount they can access. The solution involves running the next financial year with fewer discretionary deductions to show a higher net profit, then applying once the updated tax return is lodged. The trade-off is paying more tax in one year to unlock a larger loan amount that lets them build what they actually want.

Land and Construction Packages vs Buying Land First

You can either purchase land and arrange construction funding separately, or finance both together through a land and construction package. If you already own suitable land, you may be able to use the equity in that land as part of your deposit, which reduces the cash you need upfront. If you're buying land specifically to build on, a combined package lets you roll both the land purchase and the build into a single loan structure.

The timing matters when you're self-employed because most lenders require you to commence building within a set period from the date they approve your loan, usually between six and twelve months. If your business has seasonal cash flow variations, factor that into when you apply so you're not locked into starting a build during a period when your income documentation looks weaker than usual.

How Progressive Drawdown Schedules Affect Cash Flow

During construction, you'll make interest-only repayments on whatever portion of the loan has been drawn down so far. Once the build reaches practical completion, the loan converts to a standard principal and interest home loan with full repayments based on the total amount borrowed. This structure gives you lower repayments during the build itself, which can help if your business income fluctuates month to month.

Lenders also charge a Progressive Drawing Fee each time they release a payment to your builder, typically between $300 and $500 per drawdown. With four to six drawdowns over the course of a build, that adds up to between $1,200 and $3,000 in fees on top of your standard loan costs. Factor these into your budget alongside council approval fees, development application costs, and any preliminary work the land might need before construction starts.

Fixed Price Contracts and Why Lenders Insist on Them

A fixed price building contract locks in the total cost of your build before construction starts, which protects both you and the lender from cost blowouts. Lenders won't approve construction funding without one because they need certainty that the loan amount will actually cover the finished build. Cost plus contracts, where you pay the builder's costs plus a margin, don't provide that certainty and are rarely accepted by mainstream lenders.

In our experience, self-employed borrowers sometimes prefer the flexibility of managing sub-contractors directly or acting as an owner builder to control costs. While owner builder finance does exist, it's harder to access, comes with higher interest rates, and requires demonstrable building experience or qualifications. Unless you've built before or work in the construction industry, a fixed price contract with a registered builder will give you access to better loan options at lower rates.

The Loan Application Process for Self-Employed Builders

Your construction loan application will need two years of tax returns, business financials, a copy of the fixed price building contract, council-approved plans, and evidence that your deposit is genuine savings or equity. Lenders will also want to see that your registered builder holds the required insurance and licenses in your state. If your build includes any non-standard features or custom design elements, the lender may request additional documentation to confirm the valuation stacks up.

The approval process typically takes longer than a standard home loan because the lender needs to assess both your serviceability and the viability of the build itself. Allow at least four to six weeks from application to formal approval, and don't sign a building contract or commit to a start date until you have unconditional loan approval in writing. Once approved, the lender will arrange a valuer to inspect the property at each drawdown stage to confirm the work matches the progress claim before releasing funds.

Interest Rates and Loan Features That Matter

Construction loan interest rates are generally similar to standard variable home loan rates, though some lenders charge a slightly higher rate during the construction phase before reverting to a lower rate once the build is complete. The rate you're offered will depend on your deposit size, loan-to-value ratio, and how clean your financial position looks as a self-employed borrower.

Interest-only repayment options during construction let you manage cash flow more effectively, but once the loan converts to principal and interest, your repayments will jump. If your business income is variable, consider whether you'll be able to comfortably service the higher repayment amount before committing to a build. Some lenders also allow additional payments during the construction phase, which can reduce the total interest you'll pay over the life of the loan without locking you into higher fixed repayments.

Why a Broker Matters More for Construction Finance

Not all lenders offer construction finance, and those that do have different policies around self-employed income assessment, deposit requirements, and acceptable builder arrangements. A broker who understands construction funding can match you with a lender whose policies align with your situation, rather than forcing you to adjust your plans to fit a single lender's requirements. They'll also manage the drawdown process and liaise with your builder to make sure progress claims are submitted correctly and payments are released on time.

If you're refinancing an existing property to pull out equity for your build, or if you're juggling multiple income streams across different business structures, a broker can structure the application to show your full financial position in the most favourable light. They can also identify lenders who accept single-year tax returns or alternative income verification if your most recent financial year shows stronger earnings than previous years.

Call one of our team or book an appointment at a time that works for you to discuss your building project and how we can structure construction funding that fits your business income and timing.

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