The contract is ready. Your pre-approval is done. And the 10% deposit the agent wants when you sign is locked in a term deposit that matures in October. A deposit bond exists for exactly this moment: it stands in for the cash on signing day, and it changes nothing about what you pay at settlement. It is a timing tool, not extra money.
For a home buyer in mid-2026, that timing tool carries quiet leverage. The RBA lifted the cash rate in February, March and May, held it at 4.35% in June, and meets again on Tuesday 11 August 2026. Higher rates have thinned the field, and a buyer who can sign this week, without waiting for cash to free up, negotiates from the front of a shorter queue.
What is a deposit bond, and how does it work?
A deposit bond is a guarantee, issued by an insurer or specialist provider, that promises the vendor your deposit will be paid. You hand over the bond certificate on signing instead of transferring cash. Nothing else changes. At settlement you pay the full purchase price, deposit included, from your loan and your own funds, and the bond lapses without a dollar moving through it.
Unless the sale falls over. If you sign and then fail to settle, the issuer pays the vendor the deposit, then recovers the full amount from you. A bond protects the vendor, not you.
| Cash deposit on signing | Deposit bond on signing | |
|---|---|---|
| What the vendor holds | Your money, in a trust account | A guarantee from the issuer |
| When your cash moves | On signing | At settlement, in full |
| Typical cost to you | Interest forgone while it sits in trust | A one-off fee, roughly 1.2% to 1.3% of the deposit for a short-term bond |
| If you settle | Counted toward the price | Bond lapses; you pay the full price |
| If you default | Vendor keeps the deposit | Issuer pays the vendor, then pursues you |
What does a deposit bond cost?
Short-term bonds, covering settlements up to around six months, are priced as a one-off fee of roughly 1.2% to 1.3% of the deposit amount at the time of writing. On a $90,000 deposit, that is about $1,100 to $1,200. Paid once, not refunded.
Weigh the alternatives. Breaking a term deposit early forfeits interest; selling shares in a down week turns a paper loss into a real one; a personal loan drags new debt into your serviceability assessment right before the lender looks hardest. The bond is often the cheapest of the four. Long-term bonds, common in off-the-plan purchases with settlement one to three years out, are priced on the term and cost several times more, so run that maths separately.
Who accepts a deposit bond, and who won't?
Acceptance is the catch buyers rarely price in. The vendor decides, not you. Private-treaty vendors accept bonds routinely, and developers selling off the plan often prefer them. Auctions are the hard case: you need the agent to confirm, in writing and before auction day, that a bond will be accepted, because the standard auction contract assumes cash or a bank cheque on the spot.
We've watched vendors' solicitors wave a bond through in a hot market and refuse an identical one six months later; when listings sit longer, sellers want certainty, so have your conveyancer raise it early rather than on the morning you sign.
One more thing the agent won't volunteer: the 10% deposit on signing is a custom, not a law. Plenty of vendors accept 5%, which halves the bond fee as well. The size of your loan deposit is a separate and bigger question, and you don't need a 20% deposit covers it.
Does a deposit bond replace your deposit?
No, and confusing the two is the expensive mistake. A bond satisfies the vendor on signing day. It does nothing for the lender. Your bank still assesses your real funds to complete: deposit, stamp duty, costs, and the genuine savings history behind them. A buyer who treats a bond as "a deposit I'll find later" signs a contract they cannot settle, and the default row in the table shows who pays. So sequence it: prove the funds first, bond the timing second.
That also tells you who bonds are for. First home buyers using the Australian Government 5% Deposit Scheme (formerly the First Home Guarantee), uncapped since 1 October 2025, rarely need one; their deposit is small and usually liquid. The natural bond user is equity-rich and cash-poor: the upgrader whose money is inside their current home, or a family running a guarantor arrangement where no cash changes hands until settlement.
Worked example: buying before the cash lands
Claire and Marcus are selling a townhouse in Annerley and upgrading to a $980,000 house in Camp Hill, on Brisbane's southside, where Cotality's June 2026 data puts the citywide median at $1.12 million. Their equity is real, roughly $310,000 of it, but it arrives when their own sale settles in nine weeks. The vendor wants a signed contract now, with a 10% deposit of $98,000.
Without a bond: they break a $100,000 term deposit five months early, forfeiting around $1,900 in interest, or they ask the vendor to wait and risk losing the house to a buyer who can commit today.
With a bond: a short-term deposit bond for $98,000 costs about $1,270, one-off. They sign the same week, keep the term deposit running, and pay the full price at settlement from their sale proceeds and new loan.
The difference: roughly $600 in their favour, plus the house, because the second bidder never got a look.
Based on typical scenarios. Individual outcomes vary.
What should you do before you rely on one?
Timing gaps like Claire and Marcus's are visible months out, if someone maps them. The WityLoanPlan, the digital proposal your Wity broker builds before anything goes to a lender, sets out your funds to complete line by line: what is cash, what is equity, what lands when, and whether a deposit bond, a longer settlement, or a smaller negotiated deposit closes the gap. You see the sequence in writing before you commit. Earlier in the process? Start with the first home buyer guide for 2026, then our first home buyer service picks it up from there.
Want to see how your deposit position stacks up? Start the Wity questionnaire → — free, no credit check, two minutes.