Key takeaway: Standard auction contracts usually require a 10% deposit on the fall of the hammer, which doesn’t automatically match a 5% deposit scheme purchase. That variation needs to be arranged with the vendor before auction day — and how it’s disclosed matters more than whether it’s disclosed at all.
A situation that comes up constantly for first home buyers using the government’s 5% deposit scheme: their budget happens to sit right at the scheme’s property price cap, they’re eyeing a property listed well under that figure, and they’re worried that revealing they’re using the scheme will tip off the agent to exactly how high they can actually go.
Why the Deposit Conversation Can’t Be Skipped
Standard auction contracts typically require 10% of the purchase price as a deposit, paid immediately if you’re the successful bidder. If you’re using the 5% deposit scheme, your finance is structured around a 5% deposit — which means the standard contract terms need to be varied before auction day, not negotiated on the spot after you’ve won.
This isn’t optional. Turning up to auction assuming a lower deposit will be accepted, without it being agreed in writing beforehand, is a genuinely risky position to be in if you’re the successful bidder and the vendor’s solicitor insists on the standard 10%.
The Real Concern Is Fair, But the Framing Matters
The worry about tipping your hand is a reasonable one. If an agent knows a buyer is using a scheme with a $950,000 price cap, and the property is quoted well under that, there’s a genuine incentive for the agent to use that knowledge — even subtly — to encourage other bidders to push the price higher, on the basis that “there’s real interest well above the quote.”
The distinction worth holding onto: there’s a real difference between disclosing what’s necessary and volunteering more than necessary.
- What’s necessary: informing the vendor’s side that your finance requires a 5% deposit condition, so the contract can be varied ahead of auction.
- What’s not necessary: volunteering that your absolute ceiling is the scheme’s $950,000 cap, or any other detail beyond what’s needed to get the deposit condition agreed.
Ways to Reduce the Information Leak
A few practical approaches genuinely help here:
- Route the deposit variation request through solicitors, not the selling agent directly. Having your conveyancer contact the vendor’s solicitor to request the special condition keeps the conversation procedural and out of the agent’s hands entirely — the agent doesn’t need to be the one negotiating this detail.
- Keep the reason generic. “My finance requires a 5% deposit condition” is a complete, sufficient explanation. There’s no obligation to explain the scheme’s price cap, your specific budget, or anything else beyond the deposit percentage itself.
- Consider a pre-auction offer. If the vendor is genuinely motivated, some agents will negotiate a sale before auction day entirely, which sidesteps the public auction dynamic — and the information asymmetry that comes with it — altogether.
One Thing Worth Remembering About Quote Ranges
A price guide well under your actual ceiling isn’t unusual — agents commonly quote conservatively, particularly when genuine competing interest is expected. If a property genuinely runs up to your real limit, that outcome was always possible regardless of what you disclosed about your finance structure. The deposit conversation is a necessary, separate step from the auction itself — it doesn’t need to become a window into your maximum budget if it’s handled through the right channel.
The Actual Lesson
Using a 5% deposit scheme at auction requires a genuine, necessary conversation before the day — but that conversation only needs to cover the deposit percentage, not your full financial position. Keeping it procedural, and routed through solicitors rather than the selling agent, keeps the disclosure to exactly what’s required and nothing more.
This is general information about how deposit scheme conditions typically work at auction, not personal financial or legal advice. Auction rules and contract terms vary by state and by vendor — confirm your specific situation with a conveyancer or solicitor before auction day.
Written by Michael Wignall, who’s spent 30+ years in banking and home lending across the ACT, Illawarra, and Riverina regions of NSW.
