Cooling-Off Rights
The builder has emailed the contract. The price looks right. You are worried that if you do not sign quickly, the construction slot might disappear. So you sign and tell yourself…

The builder has emailed the contract. The price looks right. You are worried that if you do not sign quickly, the construction slot might disappear. So you sign and tell yourself you can read the fine print properly later. South Australian law gives many homeowners a cooling-off right for domestic building contracts. That protection is valuable. But it is short, formal and often misunderstood.
What is the cooling-off right?
South Australian domestic building law gives many homeowners a short statutory opportunity to terminate a qualifying domestic building work contract after it has been made. Under the Building Work Contractors Act 1995 (SA), the ordinary prescribed period ends after five clear business days from when the homeowner receives the prescribed Form 1 notice (see the guide on the Form 1 notice for further detail). Not every domestic building contract is subject to cooling-off; particular exclusions can apply depending on the nature of the work, the contract value or the circumstances in which the contract was made. If you are unsure whether cooling-off applies to your contract, obtain advice promptly.
The right is important because a building contract is binding. Cooling-off gives a homeowner a limited period in which to reconsider the commitment, read the documents properly and obtain advice.
Five clear business days is not five calendar days
Weekends and public holidays can affect the calculation. Do not leave the calculation until the last moment. If you are contemplating exercising a statutory termination right, obtain advice promptly about the actual deadline and required method of service.
Cooling-off is a safety net, not a contract-review strategy
A common mistake is to think: 'I can sign now and sort it out during cooling-off.' That reverses the sensible order. It is also important to be aware that certain acts during the cooling-off period - such as authorising or permitting the builder to commence physical work - could, depending on the circumstances, affect your ability to exercise the cooling-off right.
Before signing, you still want to understand the contract price, plans, specifications, allowances, Special Conditions, variation mechanism, construction period, extension-of-time provisions and payment stages.
What documents should you have?
For domestic building work to which the statutory formal requirements apply, the builder must provide the required written contract and prescribed information. Read the signed documents, check that the work is fully and accurately described, and avoid relying on verbal promises.
How must termination be communicated?
The legislation specifies a written notice and methods of service. This is not an area for an informal text message, voicemail or assumption that telling the salesperson is enough. If you genuinely intend to terminate, the form, timing and service of the notice matter.
What happens after termination?
Cooling-off does not necessarily mean that every financial issue disappears. The legislation permits the court to deal with matters such as repayment and payment for materials, work or services already supplied in appropriate circumstances.
What should you review during the cooling-off period?
Every Special Condition and what it changes.
The plans and specifications.
Prime Cost Items and Provisional Sums.
Engineering, footing and site-cost assumptions.
Variation pricing and builder's margin.
Commencement conditions and construction period.
Extension-of-time and delay-cost clauses.
Progress-payment stages and percentages.
Exclusions and owner-supplied items.
Whether important promises are actually recorded in the contract documents.
Do not confuse building-contract cooling-off with land-sale cooling-off
A house-and-land or package arrangement can involve several separate legal documents. The cooling-off rules for a domestic building contract are not necessarily the same as those applying to a land contract. Each agreement needs to be understood on its own terms.
The key lesson
The five-business-day period is valuable because it creates a final opportunity to identify a problem before construction begins. But the strongest position is still to understand the contract before signing.
Before You Sign
This guide provides general educational information for South Australian homeowners. It is not personalised legal advice. The effect of any issue depends on the wording of your own contract, schedules, Special Conditions, plans, specifications and the facts of the project. A good builder and a well-understood contract should work together. Before committing to one of the largest financial transactions you may ever undertake, consider having the actual contract reviewed so you understand the obligations, notice requirements and consequences before they are tested on site.
Before You Build. One Signature. One Chance.
Concerned this clause is in your contract? Get a fixed-fee review.