Deposit Bonds in Australia: Contract, Acceptance and Funding Checks
How a deposit bond works, what it does not fund, why seller acceptance matters, and the issuer, expiry, indemnity and settlement evidence to verify.
A guarantee issued to a property seller for the contract-deposit amount instead of the buyer paying that amount in cash at exchange. The seller must agree to accept it, the buyer still owes the purchase price at settlement, and the issuer may recover from the buyer under an indemnity if it pays a valid claim.
A deposit bond addresses one narrow problem: providing acceptable security for the contract deposit while the buyer's cash is unavailable or being used elsewhere. It does not remove the deposit obligation, replace a home loan or supply the balance needed at settlement.
What a deposit bond is
Product wording differs by issuer. QBE's current deposit-bond informationdescribes its bond as a guarantee to the seller that the buyer will settle. QBE also says its applicant signs an indemnity allowing QBE to recover an amount paid to the seller if the buyer defaults under the contract. Those are documented mechanics of QBE's product, not universal wording for every issuer.
A typical transaction involves three separate documents:
- the property contract, which states the buyer's deposit obligation and whether a bond is accepted;
- the bond, which states the beneficiary, amount, property, expiry and claim conditions; and
- the applicant's agreement or indemnity with the issuer.
The solicitor or licensed conveyancer should compare all three. A bond that does not match the contract is not fixed by a general explanation of how deposit bonds usually work.
What a deposit bond does not fund
- It does not transfer the deposit amount to the seller at exchange.
- It does not reduce the purchase price due.
- It does not establish that home-loan finance is approved.
- It does not protect the buyer from default consequences.
- It does not guarantee that settlement funds will be available.
The settlement plan is the central question
Before using a bond, identify the exact source of the full settlement funds and when they become available. Issuer approval for a bond is not unconditional approval for the property purchase.
Seller and contract acceptance
The seller can require cash or agree to another form of deposit, subject to the contract and jurisdiction. For a NSW auction, the government's selling-property guidance says the successful bidder pays the deposit on the spot unless a lesser amount or deposit bond was agreed before the auction. That is a NSW example, not a national auction rule.
Seek written agreement before bidding or exchanging. The conveyancer should confirm:
- that the seller accepts a bond and the proposed issuer;
- the exact bond amount and beneficiary;
- the latest acceptable expiry date;
- whether the contract requires special wording or an annexure;
- what happens if settlement is extended beyond the bond expiry.
NSW Government guidance on contracts and deposits illustrates why the contract and deposit terms must be checked before signing. Other jurisdictions have their own contract and auction rules, so obtain advice where the property is located.
Issuer approval and indemnity
Availability is subject to the issuer's underwriting criteria. Required evidence may depend on the applicant, bond amount, property, contract, term and source of settlement funds. Do not promise approval or use a provider's applicant criteria as a market-wide rule.
QBE says that if the seller makes a demand under its bond and QBE pays it, the indemnity gives QBE a right to recover the amount from the buyer. A deposit bond should therefore not be described as insurance protecting the buyer. Read the proposed issuer's actual bond and indemnity for claim, dispute and recovery provisions.
Term and cost
The required term must cover the contract timetable, including a realistic allowance for delay accepted by the seller and issuer. QBE currently offers short- and long-term categories for its own product, including bonds for off-the-plan purchases. That availability does not establish which term another issuer offers or which bond a seller will accept.
There is no defensible universal premium percentage. Obtain a dated quote from the proposed issuer and record the amount, term, fees, extension process, cancellation terms and refund terms. Compare that actual cost with the alternatives; do not treat the bond amount as the fee.
Risks to resolve before exchange
- Rejection: the seller or contract may not accept the bond.
- Expiry mismatch: a delayed settlement may extend beyond the bond term.
- Funding gap: the buyer may still be unable to produce the full settlement funds.
- Recovery: the issuer may pursue the buyer under the indemnity after paying a claim.
- Document mismatch: names, amount, property or beneficiary may not match the contract.
- Product limits: the issuer may not approve the applicant, property, transaction or term.
A dispute with the seller may not prevent payment under the bond if its claim conditions are met. That is a legal issue requiring review of the exact documents, not an assumption about fairness or the merits of the dispute.
Evidence checklist
Before relying on a deposit bond
- Written seller acceptance obtained before exchange or auction
- Conveyancer has reviewed the contract, bond wording and issuer indemnity
- Bond beneficiary, buyer names, property and amount match the contract
- Expiry extends beyond the scheduled settlement date by an accepted margin
- Extension and replacement process understood in writing
- Issuer approval is final and all issue conditions are complete
- Full settlement-funds source is documented independently of the bond
- Premium, fees, cancellation and refund terms are in a dated quote
- Default, claim and issuer-recovery consequences are understood
- A copy of the issued bond has been checked and delivered as the contract requires
Alternatives to compare
- Cash deposit: simple if funds are available, but ties up cash under the contract terms.
- Smaller negotiated deposit: only if the seller agrees and the contract is amended correctly.
- Bank guarantee: may be accepted in some transactions; compare security, fees and wording.
- Bridging or other finance: addresses funding rather than merely substituting for the contract deposit, and creates separate debt and approval risks. See the bridging-finance guide.
ASIC's buying-a-house guide recommends planning the deposit and buying costs before purchase. Compare the whole funding plan, not only the convenience of keeping cash until settlement.
A deposit bond is a contractual guarantee accepted in place of cash at exchange. It does not fund settlement or protect the buyer. Confirm seller acceptance, exact document matching, expiry and the issuer's recovery rights before relying on one.
Related resources
- Deposit-bond glossary
- Buying property at auction
- Exchange of contracts explained
- Property-buying cost checklist
Frequently Asked Questions
General information only, reviewed 24 August 2026. This is not legal, credit or financial advice. Product availability and issuer approval do not establish suitability. Have the transaction documents reviewed by a solicitor or licensed conveyancer.