First Home Buyers

Can I use a subject to finance clause when buying at an auction?

No — an auction contract is unconditional once the hammer falls. Why a finance clause can't attach, and how to get finance certainty before you bid.

A residential property auction underway on the street outside a house, with an auctioneer taking bids from a small crowd

Can I use a subject to finance clause when buying at an auction?

No. When you buy a property at auction in Australia, the contract of sale becomes binding and unconditional the moment the auctioneer’s hammer falls. You can’t ask to make your winning bid conditional on your home loan being approved — that condition simply isn’t part of how an auction contract works. If finance certainty matters to you, it has to be sorted out before you raise your hand, not written into the contract afterwards.

What does a ‘subject to finance’ clause actually do?

A subject to finance clause (sometimes called a finance condition) is a special condition written into a contract of sale that lets a buyer walk away and get their deposit back if they can’t get loan approval by an agreed date. It’s a common feature of contracts negotiated by private treaty — where a buyer makes an offer, the seller accepts, and both sides negotiate the contract terms before anyone signs. An auction runs on a different model entirely: the property is offered with the contract terms already fixed and disclosed in advance, and the winning bidder accepts those terms — unconditionally — by bidding.

Why finance clauses aren’t available once the hammer falls

Two things make an auction contract different from a private treaty contract, and both work against attaching a finance condition afterwards.

First, the contract is unconditional from the moment it’s formed. There’s no negotiation window afterwards for either side to add a condition the other hasn’t already agreed to — the seller has offered the property on fixed terms, and bidding is how a buyer accepts them.

Second, in every state and territory, there’s no cooling-off right at auction either — the safety net that lets some private-treaty buyers reconsider within a short window simply doesn’t apply once you’ve bought under the hammer.

Cooling-off and auctions, state by state

StateThe ruleThe exceptions
NSW5 business days after exchangeNone at auction, or after pass-in
VIC3 clear business days after signingNone at or within 3 days of auction
QLD5 business days after signed contractNone at auction, or shortly after
SA2 clear business days after contractNone at auction, or same-day pass-in
WANo statutory cooling-off periodNone — no statutory right exists
TASNo statutory cooling-off periodNone — optional clause only
ACT5 working days after contract madeNone at auction, or same-day pass-in
NT4 business days after contract signedNone at auction — unconditional

As at July 2026, the auction exclusion is confirmed across all eight states and territories — though it isn’t one uniform national setting, it’s three different shapes, so it’s worth checking your own state’s rule rather than assuming it matches a neighbour’s. NSW, VIC, QLD, SA and the ACT each run a defined statutory cooling-off period; the NT runs a shorter period with no financial penalty attached; and WA and Tasmania have no statutory cooling-off period at all — a cooling-off clause there exists only if the buyer and seller specifically negotiate one into the contract. Tasmania’s own regulator puts the auction position in exactly these terms: a buyer “cannot make the contract subject to conditions (e.g. getting finance) and there is no cooling-off period.” In NSW the no-cooling-off position at auction also covers a same-day exchange after a property is passed in; the ACT and SA apply the same same-day pass-in exclusion, and in Queensland a registered bidder who exchanges within two days of a failed auction gets the same result.

Even where a statutory cooling-off right exists outside auction, using it isn’t free, and the cost takes a different form in each state. NSW and the ACT both fix the rescission forfeiture at 0.25% of the purchase price — NSW under s66V(2) of the Conveyancing Act 1919, not s66W (that section covers the solicitor’s certificate used to waive the period). Victoria charges a withdrawal cost of whichever is greater of $100 or 0.2% of the price, Queensland allows a penalty of up to 0.25%, South Australia caps what the vendor can retain at $100 rather than charging a percentage, and the NT’s 4-business-day period carries no forfeiture or penalty at all if the buyer withdraws. None of that machinery is available to an auction buyer in the first place, in any of the eight jurisdictions.

Exactly how a contract of sale is prepared and made available for inspection before auction day also differs from state to state, so treat the buying process itself as something to confirm locally rather than assume it’s identical everywhere.

What happens if your finance falls through after you’ve won?

Because the contract is unconditional the moment you’re the successful bidder, you’re contractually committed to settle — regardless of whether your loan comes through. A deposit is payable immediately at the auction, on the terms set out in the contract, and there’s no finance condition sitting in the background to release you if the loan doesn’t proceed. That’s the real financial exposure of bidding at auction without your finance already sorted, and it’s the reason so much of the preparation for an auction happens before auction day, not during it.

How buyers get finance certainty before bidding

Since you can’t build a finance condition into the contract, the practical alternative is to remove the uncertainty beforehand:

  • Go beyond pre-approval where you can. Pre-approval (sometimes called conditional approval) isn’t a guarantee a lender will actually settle your loan — as our guide to whether pre-approval guarantees a loan sets out, valuation and final checks still happen later. Some buyers ask their lender how close to a fully assessed, unconditional approval they can get before auction day, so there’s less left to resolve after the hammer falls.
  • Have the contract reviewed before you bid, not after. A conveyancer or solicitor can look over the contract of sale — which is generally available for inspection ahead of the auction — and flag anything unusual in the special conditions, title, or timeframes, while there’s still time to ask questions or reconsider.
  • Budget for a building and pest inspection before the auction too, for the same reason: there’s no building and pest condition available after the fact either. No government source publishes a set cost for these reports — treat it as a professional fee that varies, and get a quote rather than assume a figure.
  • Weigh up private treaty instead, if finance certainty matters more to you than the auction format. A finance clause is something a seller can agree to include in a private treaty contract — but that’s a matter of negotiation between the parties, not an automatic right, and not every seller will accept one.

What to weigh before you decide to bid at auction

There’s no single right answer here — it depends on how much certainty you need versus how much you’re prepared to commit before you have it locked in:

FactorBidding at auctionBuying by private treaty
Finance conditionNot availableNegotiable with the seller
Cooling-offExcluded everywhere (all 8 confirmed)May apply, subject to state rules
Timing certaintyImmediate, on the dayDepends on negotiation
Preparation neededBefore auction dayCan continue after signing

Buyers who value the flexibility of a finance clause may prefer to look at properties being sold by private treaty, or to negotiate before an auction to see whether the seller will take a pre-auction unconditional offer. Buyers who are confident in their finance position, and want the transparency of open bidding, may be comfortable with the auction format as it stands. Neither is inherently the “right” choice — it comes down to your own circumstances, how much of a buffer you have, and how comfortable you are being contractually committed on the day.

Working out your deposit position ahead of time is part of that preparation too — see our guide to how much deposit you need for a first home for the paths available.

Getting help before auction day

If an auction is on your radar, a mortgage broker or lender can tell you how far your finance position can realistically go before the day, and a conveyancer or solicitor can review the contract of sale while there’s still time to act on what they find. Which combination of preparation makes sense for you depends on your own finances, the property, and how much risk you’re willing to carry into the auction room — that’s a conversation for those licensed professionals, not something this article can settle for you. For the general shape of the process from budgeting through to settlement, see our guide to the step-by-step stages of buying a house in Australia.

Marcus Chun

Co-Founder & Head of Growth, MyBrix

Marcus Chun is the Co-Founder and Head of Growth at MyBrix. He drives MyBrix's partnerships and marketing, and the mission to make property investment accessible to more Australians.

Authors write general information only — they are not your adviser.