There are good reasons people are drawn to it:
None of these are guaranteed outcomes, and the benefits depend on your situation. What I can tell you is that off-the-plan works best when the finance strategy is built around the construction timeline from day one.
Every off-the-plan purchase runs on two timelines at once. There's the build journey and there's the lending journey. They were never designed to move at the same pace, and the gap between them is where things tend to go wrong.
Here's the build journey in plain English:
Your lender will usually want to see your contract at pre-approval stage, so it's worth getting this right early. But here's the key point: a pre-approval at the start is not a guarantee of approval at the end. Pre-approvals are time-limited, and the lender will assess you again close to settlement, against the policies, rates and your finances as they are then, not as they were when you signed.
A valuation shortfall happens when the bank's valuation of your completed property comes in lower than the price you agreed to pay. Your contract price doesn't change. The bank's lending is based on its valuation, so the gap is yours to fund.
Here's a simple illustration. Say you contract to buy for $750,000, with a $150,000 deposit and a $600,000 loan in mind. At completion, the bank values the property at $700,000. If the lender's maximum loan is 80% of valuation, that's $560,000, so you'd need to find an extra $40,000 on top of your deposit and your purchase costs. If the lender will lend above 80%, Lenders Mortgage Insurance may apply, and that's an added cost.
This is an illustration only. Every lender has its own policy on valuations, maximum LVRs and how they handle shortfalls, and your own numbers will differ.
But the principle holds: you pay the contract price regardless of the valuation.
That's why I stress-test off-the-plan clients before they sign, across a range of valuation outcomes, so the question isn't "what if?" on settlement day. It's "we planned for this".
Over a build that can run for years, a lot can happen:
None of these are unusual. They're exactly why I recommend not treating pre-approval as the finish line, and why I keep a close eye on any major changes with your financial position as the build progresses.
Off-the-plan deposits are commonly 5% to 10% of the purchase price, paid at exchange and usually held in trust until settlement. On a $600,000 purchase, a 10% deposit means $60,000 tied up for the entire build.
There are alternatives, such as deposit bonds or bank guarantees, which can free up cash during construction. They come with their own costs and conditions, so your conveyancer or solicitor should confirm they're suitable and accepted under your contract.
The other side of the deposit is simple but serious: if you can't settle, for example because finance falls through, you may forfeit the deposit, and the contract may expose you to further consequences. That's why checking your finance position early and often matters so much.
A brochure and a display suite tell you what the project will look like. They tell you very little about whether it will be delivered, on time, to the standard promised. A developer not completing a project is one of the most significant off-the-plan risks, so this homework matters. Six questions worth asking before you fall in love with the finishes:
Then there's the contract itself. Off-the-plan contracts are usually drafted by the developer's side, and they contain terms that don't appear in an established-home contract, such as sunset clauses, variation rights and deposit terms. Cooling-off periods, disclosure requirements and deposit rules also differ between states and territories, and in some places there's no statutory cooling-off period at all.
I want to be clear about my role here. I'm a mortgage broker, not a solicitor. Your conveyancer or solicitor must review the legal terms of your contract. What I do is look at the contract through a lending lens, and flag anything that could affect your finance, so your whole team is working from the same page.
The good news is that most off-the-plan risks are manageable when you plan for them early. These are the steps I'd encourage every buyer to consider:
None of this removes risk entirely. But it replaces surprises with a plan.
I built my Blueprint to Settlement service around one idea: manage the gap between the build and the lending, deliberately, rather than leaving it to chance.
The engagement runs from financial assessment and a lending-focused contract risk report, through milestone monitoring while the building goes up, to settlement coordination alongside your conveyancer or solicitor. I also connect you with trusted professionals suited to your state and property type.
It's offered at a transparent, fixed fee of $2,000 plus GST, so you know what you're paying before you start. Any commission I may receive from a lender, and how I'm paid more generally, is set out in my Credit Guide and explained before you proceed. My job, and am required by law to do so, is to recommend the strategy and loan that suit your objectives, not the one that's easiest for me or pays more.
The best conversation to have is the one before you sign. If you're considering an off-the-plan purchase, or you've already got a contract and want to understand your finance position, I'd love to chat. Ask me for a copy of my Buying Off-the-Plan in Australia guide, or book a time to talk through your situation.

Talk to Jessica Southerwood to:
• help you with stress-testing your finances across a range of valuation outcomes, so a shortfall at settlement is something you've already planned for
• help you with reviewing your contract through a lending lens and flagging anything that could affect your finance before you commit
• help you with keeping your finance on track through the build and re-confirming it 3 to 6 months before settlement, while there's still time to ac









