Smart ways to approach construction loan fees

What You Actually Pay for Construction Finance

Construction loans cost more to administer than standard mortgages because lenders release funds in stages and inspect your build at each milestone. You'll pay application fees, progress inspection fees, and sometimes higher interest rates than you would on a standard home loan. The total fee burden typically adds $2,000 to $4,000 to your project, though this varies based on lender and loan structure.

Most academics underestimate these costs when budgeting for a custom build or major renovation. The application fee sits around $600 to $1,200, similar to a standard home loan. The progressive drawing fee, charged each time the lender releases funds to your builder, runs between $150 and $400 per drawdown. With five or six progress payments on a typical build, that alone adds $900 to $2,400. Some lenders bundle these into a single administration fee of $1,500 to $2,500, which covers all inspections and drawdowns throughout the build.

Consider a lecturer building a custom home with a registered builder under a fixed price building contract. The lender charges a $900 application fee and $300 per progress inspection across six stages. That's $2,700 in fees before settlement. If the build runs longer than expected and requires an additional inspection, another $300 applies. The construction loan application process requires detailed council plans and builder documentation, which your broker should review before submission to avoid delays that extend your interest-only period and compound costs.

How Interest Charges Work During the Build

You only pay interest on funds actually drawn down, not the full loan amount. During construction, most lenders offer interest-only repayment options, meaning you're not reducing the principal while the house goes up. Your builder submits claims at each stage, the lender inspects to confirm the work matches the claim, then releases funds directly to the builder.

In practice, if your loan amount is $500,000 but only $150,000 has been drawn for the slab and frame, you're paying interest on $150,000. At current variable rates, that might be around $650 per month rather than $2,200 on the full sum. This structure keeps your costs lower during construction, but you need to budget for the fact that interest charges increase with each progress payment. By the time you reach lock-up and final fix, you're carrying interest on 80% or more of the loan.

Lenders structure the progressive drawdown around standard building milestones: slab down, frame up, lock-up, fixing, and practical completion. Your builder works to a progress payment schedule that aligns with these stages. The contract should specify exactly what percentage of the total build cost is payable at each milestone, and the lender's valuer confirms completion before releasing funds. This protects you from paying for work not yet done, but it also means your builder's cash flow depends on timely inspections and approvals.

Progressive Drawing Fees and Inspection Costs

The progressive drawing fee covers the lender's cost of sending a valuer to site each time your builder requests payment. Some lenders charge per inspection, others apply a flat fee regardless of how many drawdowns occur. A flat fee works in your favour if the build encounters delays or variations that require additional inspections beyond the standard five or six.

We regularly see projects where the initial progress payment schedule assumes five stages, but practical issues like weather delays, council approval hold-ups, or variations for custom design elements push the build to seven or eight inspections. If you're paying $350 per inspection, two extra stages add $700. A lender charging a flat $1,800 administration fee absorbs that cost. When comparing lenders, ask how they structure these fees and whether there's a cap on the number of inspections included.

Owner builder finance attracts higher fees again because lenders consider the risk greater. You'll typically pay an additional $500 to $1,000 in administration and need to demonstrate building experience or engage a project manager. If you're planning to act as owner builder to save on builder margins, factor in these higher finance costs and the reality that many lenders won't offer owner builder finance at all.

Construction Loan Interest Rates Compared to Standard Mortgages

Construction loan interest rates sit slightly higher than standard variable rates, usually by 0.10% to 0.30%. This margin reflects the additional administration and risk the lender takes on. Some lenders offer a construction to permanent loan, where the rate drops to a standard variable or fixed rate once the build completes and you convert to principal and interest repayments.

The rate you're quoted at application locks in for a set period, often 12 months. If your build takes longer, you may face a rate review or revert to the lender's current variable rate. For a lecturer building a custom home, this means your initial budget might assume an interest rate that no longer applies if construction drags past the expected timeframe. Always confirm how long your approved rate holds and what happens if the build extends.

Some lenders allow you to fix part of your construction loan once drawdowns are complete, but most require you to remain on a variable rate until practical completion. After settlement, you can explore getting a lower interest rate through refinancing or switching to a fixed term, but during the build you're typically locked into the lender's construction rate.

Land and Construction Package Costs

If you're financing both land purchase and construction, the loan structure changes. You settle on the land first, then commence building within a set period from the disclosure date, usually 12 to 18 months. During that gap, you're paying interest on the land component while still renting or living elsewhere. This holding cost catches many buyers off guard.

For a land and construction package, consider a researcher purchasing a block for $280,000 and building a home for $420,000. The lender releases $280,000 at land settlement, and you're immediately paying interest on that amount even though construction hasn't started. If building doesn't commence for six months, you've paid roughly $8,000 in interest on the land before the slab goes down. The construction component then draws down progressively as described earlier, but that land interest runs from day one.

Some lenders allow you to capitalise land interest into the construction loan, meaning you don't pay it monthly but it's added to your loan balance. This reduces cash flow pressure but increases your total debt and the interest you'll pay long-term. If you're building under a cost plus contract rather than a fixed price building contract, budget for the possibility that final build costs exceed the initial estimate, which may require additional equity or trigger a loan variation with further fees.

Fees You Can Negotiate or Avoid

Application fees are often negotiable, particularly if you're an existing customer or have a strong financial position. Some lenders waive the application fee entirely for academics or education professionals, though this is less common for construction loans than standard mortgages. Progressive drawing fees are harder to negotiate because they're tied to actual third-party valuation costs, but you can ask whether a flat administration fee is available instead of per-inspection charges.

Avoiding unnecessary fees comes down to preparation. Submit complete documentation upfront, including council approval, registered builder details, fixed price contracts, and a detailed progress payment schedule. Incomplete applications lead to delays, resubmissions, and potential revaluation fees if your approved loan lapses. Your broker should check that your builder, plumbers, and electricians are appropriately licensed and insured, and that council plans match the build specifications in your contract. Discrepancies trigger additional inspections or amendments, each adding cost.

If you're renovating rather than building new, a house renovation loan works similarly but may involve fewer drawdown stages depending on scope. A single-stage renovation might only require one or two inspections, reducing your progressive drawing fees substantially compared to a full build. For minor works, a home improvement loan structured as a standard mortgage with funds released at settlement may cost less overall than a staged construction loan, even if the interest rate is comparable.

What Happens at Practical Completion

Once your build reaches practical completion, the lender conducts a final valuation to confirm the property matches the approved plans and contracted value. If everything aligns, the loan converts from construction to a standard mortgage, and you switch from interest-only to principal and interest repayments unless you've arranged otherwise. Any unused loan approval is cancelled, so if you budgeted $500,000 but the build came in at $480,000, your final loan balance reflects the lower amount.

Some lenders charge a settlement fee at this stage, typically $150 to $400, to cover the administrative cost of converting the loan. Others include this in the initial construction administration fee. The conversion also triggers a rate change if you were on a construction-specific rate, dropping you to the lender's standard variable or a fixed rate if you've locked one in.

If your build runs over budget and you need to draw additional funds, the lender will reassess your borrowing capacity and may require a new valuation. This can delay practical completion and add further inspection fees. Fixed price building contracts minimise this risk because your builder wears cost overruns, but variations you request during the build are added to the contract price and may push you beyond your approved loan amount.

Call one of our team or book an appointment at a time that works for you to discuss your construction finance options and confirm the fee structure before you commit to a builder.

Frequently Asked Questions