Your pre-approval might be 12 months old by the time the developer hands over the keys.
Most buyers who purchase off the plan focus on choosing the right apartment or townhouse, but the finance structure matters just as much. Lenders assess your application twice: once when you apply and again at settlement, which might be two years away. Your income, deposit, and the property's value all get re-evaluated, and any one of those can shift enough to kill the deal.
Applying too early without understanding sunset clauses
A standard home loan pre-approval lasts three to six months. Off-the-plan developments in Mount Eliza and along the Mornington Peninsula often have settlement periods stretching 18 to 24 months from contract signing. If you apply for pre-approval the day you sign the contract, that approval will expire long before the developer completes construction.
The contract's sunset clause sets the deadline by which the developer must complete the project. If they miss it, either party can walk away. Developers sometimes push for extensions, which means your settlement date becomes a moving target. Timing your application so the pre-approval remains valid closer to the expected completion date reduces the chance you'll need to reapply multiple times or scramble for finance when settlement suddenly gets brought forward.
Ignoring valuation risk at settlement
Lenders base your loan amount on the lower of the purchase price or the property's valuation at settlement. If the market softens between contract signing and completion, the valuation might come in below what you agreed to pay.
Consider a buyer who purchased a two-bedroom apartment off the plan in Mount Eliza for $650,000 with a 10% deposit. At settlement 20 months later, the bank's valuer assessed the property at $610,000. The lender calculated the loan based on the lower figure, meaning the buyer needed an additional $40,000 in cash to settle or faced losing their deposit. This scenario plays out more often in oversupplied markets where multiple developments complete simultaneously, flooding the area with similar stock.
A construction loan might offer more flexibility for staged payments, but most off-the-plan purchases are structured as a single settlement transaction. The developer expects full payment on one date, and if your lender won't fund the shortfall, you'll need to find that money elsewhere or risk contract default.
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Failing to account for changes in borrowing capacity
Your income, expenses, and debt levels at settlement might look nothing like they did when you signed the contract. Lenders reassess your borrowing capacity using the figures that exist on settlement day, not the ones from your initial application.
A couple purchasing off the plan might have both been working full-time when they applied. If one partner takes parental leave or changes to part-time work before settlement, the household income drops and so does the amount the lender will approve. Similarly, taking on a car loan, increasing credit card limits, or even a shift in lending policies around how lenders assess living expenses can reduce what you can borrow. The property price hasn't changed, but your ability to fund it has.
Keeping your financial position stable during the construction period matters. Avoid taking on new debts, changing jobs without a clear income trail, or making large purchases on credit in the months leading up to expected settlement. If your circumstances do change, speak to your broker early so there's time to explore options like bringing in a guarantor or increasing your deposit.
Choosing a fixed rate too far in advance
Locking in a fixed interest rate before you know the settlement date creates unnecessary risk. Fixed rate locks typically last 90 days. If settlement gets delayed beyond that window, the lock expires and you'll need to reapply at whatever rates are current at the time.
Variable rate structures let you lock in the rate closer to settlement, giving you more certainty around timing. A split loan structure, where part of the loan is fixed and part remains variable, offers some middle ground, but it only makes sense if you're locking rates within a few months of the expected handover. Developers rarely hit their projected completion dates exactly, so building in flexibility around your interest rate structure keeps your options open if the timeline shifts.
Overlooking deposit structure and holdback requirements
Most off-the-plan contracts require a 10% deposit, often paid in stages: 5% on exchange and another 5% within a set period. That deposit sits in a trust account until settlement, which means it's not available for anything else during the construction period.
Lenders calculate your loan to value ratio (LVR) based on the property's value at settlement, not the contract price. If you're borrowing more than 80% of the property's value, you'll pay Lenders Mortgage Insurance (LMI). That premium gets calculated at settlement, and if the valuation comes in low, your LVR increases even if your deposit amount stays the same. Budgeting for LMI at the higher end of the range, or planning to avoid it altogether by increasing your deposit, reduces the chance of a funding shortfall.
An offset account linked to your loan becomes useful once the loan settles, but during the construction phase it does nothing. Your deposit is locked away, and you're not yet making repayments. If you're purchasing an investment property, you won't be able to claim any deductions until settlement either, so cash flow planning during the wait period matters more than loan features you can't use yet.
Not checking the developer's financial position
If the developer goes into administration before completing the project, you're left holding a contract for a property that might never get built. Your deposit could be protected depending on how the contract is structured, but recovering it involves legal processes and time.
Lenders sometimes refuse to finance off-the-plan purchases from developers they consider high-risk. If the developer has a history of delays, incomplete projects, or financial instability, some lenders won't touch the deal regardless of your financial position. Running the developer's name past your broker before signing the contract can flag potential issues. If multiple lenders have blacklisted the developer, that's a signal worth paying attention to.
In Mount Eliza, where larger-scale apartment developments are less common than in metro areas, the local market doesn't absorb new stock as quickly. A development that looks appealing on paper might struggle to achieve projected values if it's the only new project in the area and comparable sales data is thin. Checking recent sales of similar properties in the suburb, particularly new builds, gives you a sense of whether the purchase price aligns with what the market is actually paying.
Mistaking settlement date estimates for guarantees
Developers provide an estimated completion date, but it's rarely locked in. Construction delays from weather, labour shortages, or supply chain issues push timelines out by months. Your loan application needs to account for that uncertainty.
If you're selling an existing property to fund the off-the-plan purchase, the timing mismatch creates problems. Selling too early leaves you renting or staying with family while waiting for settlement. Selling too late might mean you need bridging finance to cover the gap, which adds cost and complexity. A refinancing strategy on your current property might release enough equity to fund the deposit without selling, giving you more control over timing.
Working with a broker who understands the rhythm of off-the-plan settlements means your finance structure can flex with the developer's timeline. If completion gets pushed back, your application can be reactivated closer to the new date without starting from scratch. If settlement suddenly gets brought forward, having your documentation ready and your financial position stable means you can move quickly without missing the deadline.
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Frequently Asked Questions
How long does home loan pre-approval last for off-the-plan purchases?
Most lenders offer pre-approval for three to six months, which is usually much shorter than the settlement period for off-the-plan properties. You'll need to time your application so it remains valid closer to the expected completion date, or be prepared to reapply when settlement approaches.
What happens if the property valuation is lower than the purchase price at settlement?
The lender will base your loan amount on the lower valuation, not the contract price. You'll need to make up the difference in cash or risk losing your deposit if you can't settle. This is a common issue in markets where multiple developments complete at the same time.
Can I lock in a fixed interest rate before the settlement date is confirmed?
Fixed rate locks typically last 90 days, so locking in too early is risky if the developer delays completion. Variable rate structures or waiting until you're within a few months of settlement gives you more flexibility around uncertain timelines.
What if my income changes between signing the contract and settlement?
Lenders reassess your borrowing capacity at settlement using your current financial position. If your income drops due to job changes or parental leave, you might no longer qualify for the original loan amount, even though the contract price hasn't changed.
Will I pay Lenders Mortgage Insurance on an off-the-plan purchase?
If your loan to value ratio exceeds 80% based on the property's valuation at settlement, you'll pay LMI. A lower-than-expected valuation can push your LVR higher even if your deposit amount stays the same, so budget for this possibility.
