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Property Strategy · 3 Aug 2026 · 7 min read · ★★★★★ 5.0

Contract Of Sale Special Conditions Australia: Clauses Investors Should Understand

A plain-English guide to special conditions in Australian property contracts and why investors should read them line by line.

Jason & Amy
Jason & Amy

Every property contract in Australia has two parts: the standard printed terms that rarely change, and the special conditions that get added or amended for the specific deal. It's the special conditions that decide whether a purchase goes smoothly or turns into a headache.

Most buyers skim past this section, assuming their solicitor will catch anything important. That's a mistake for investors, because special conditions often carry the clauses that determine settlement risk, finance flexibility, and what happens if something goes wrong before settlement.

What Special Conditions Actually Do

Special conditions modify or add to the standard contract terms to suit the specific circumstances of a sale. They can protect a buyer, protect a seller, or simply record something both parties agreed to outside the standard template.

In a straightforward established-home purchase there might be only a handful. In a development site, an off-the-plan purchase, or a deal involving vendor finance, the special conditions can run for pages and materially change the risk profile of the deal.

Clauses Investors Should Always Check

Some clauses turn up again and again and deserve close attention before signing anything.

  • Finance clause — the exact date finance approval must be obtained by, and whether it's unconditional or subject to valuation
  • Due diligence clause — what the buyer is allowed to investigate and the timeframe to pull out
  • Sunset clause — relevant to off-the-plan contracts, it sets the date by which the project must settle or the buyer can walk away
  • Subject to sale clause — where the purchase depends on the buyer selling another property first
  • Building and pest inspection clause — the standard for houses, but sometimes watered down or removed in as-is sales
  • Deposit release clause — whether the vendor can access the deposit early, and under what conditions

Clauses That Shift Risk Onto The Buyer

Not every special condition favours the buyer. Vendors and their agents sometimes insert conditions that quietly shift risk, and these are the ones investors most often regret not questioning.

Common examples include clauses that exclude standard warranties about zoning or building approvals, clauses that make the deposit non-refundable earlier than usual, or clauses that limit the buyer's right to terminate even if a serious defect is found during due diligence. None of these are illegal, but they need to be priced into the decision.

Special Conditions In Development And Wholesale Deals

Wholesale property deals and development sites tend to carry more heavily negotiated special conditions because more can go wrong between exchange and settlement.

Clauses covering planning permit conditions, existing tenancy arrangements, easements, contamination reports, and settlement extensions linked to approvals are all common. An investor buying a site for its development potential should treat these clauses as part of the feasibility, not just legal paperwork to be ticked off.

  • Planning permit clause — makes settlement conditional on a permit being issued or confirmed
  • Contamination or environmental clause — allocates responsibility for remediation costs
  • Existing lease clause — sets out how sitting tenants are handled at and after settlement
  • Access and easement clause — confirms rights of way or services crossing the land
  • Extension of time clause — allows settlement to be pushed if approvals are delayed

Why Professional Review Still Matters

Special conditions are drafted in legal language for a reason, and a single word can change who carries a risk. A conveyancer or property lawyer should review every special condition before a contract is signed, not after.

This is especially true for investors moving quickly on off-market or wholesale opportunities, where the pressure to sign fast can mean less time spent on the fine print. A short delay to get proper advice is almost always cheaper than an unfavourable clause discovered after exchange.

Final Word

Special conditions are where the real terms of a property deal live. The printed contract sets the framework, but the special conditions decide who bears the risk if something changes between signing and settlement.

Australian investors who make a habit of reading these clauses carefully — and getting professional advice before they sign — put themselves in a far stronger position than those who treat the contract as a formality.

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