Here are the top clauses you need to look into, as they affect essential risks relating to time, cost, and quality. Being aware of these clauses is not just about knowing your rights but also about understanding your obligations. This knowledge can be invaluable during negotiations and in ensuring that the contract is fair and balanced.
Each clause in the NSW Fair Trading Home Building Contract serves a specific purpose in protecting your interests and defining the builder's responsibilities. Understanding these provisions before signing helps you identify potential risks and ensure your contract reflects your expectations.

Clause 5: Commencement of Work
What it is: Sets out the date when works are to be begun
Purpose: Establishes clear starting timeline for the building project
This clause is crucial as it sets the tone for the entire project. A clear commencement date ensures that both parties are on the same page and can plan accordingly. Without a specific start date, builders may delay commencement indefinitely, leaving you uncertain about when your project will actually begin. The commencement date directly affects practical completion timing and your rights under the defects liability period.
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Clause 6: Time for Completion
What it is: Sets out the deadline for the building project
Purpose: Determines when works must be completed and establishes completion obligations
The completion date is one of the most important terms in your building contract. This clause defines when the builder must finish the work and what happens if they don't meet this deadline. Understanding your rights if completion is delayed protects you from extended inconvenience and additional costs.
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What it is: Sets out the instances when delay may be allowed
Purpose: Defines circumstances when the builder can legitimately extend the completion date
Extension of time clauses determine when a builder can delay completion without penalty. This affects other matters such as completion and payment. Understanding what qualifies as a legitimate reason for delay protects you from builders using minor issues to extend timelines unreasonably. Not all delays entitle the builder to an extension—some circumstances should remain the builder's responsibility.
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Clause 8: Completion of Work
What it is: Sets out the instance when the work is to be deemed completed
Purpose: Defines what constitutes practical completion and triggers final payment obligations
This clause establishes when work is officially complete and when final payment becomes due. Understanding the completion criteria protects you from paying final amounts before the builder has actually finished all contracted work. The definition of completion affects your rights to withhold payment for incomplete or defective work.
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Clause 12: Progress Payments
What it is: Sets out the schedule and conditions for progress payments throughout the project
Purpose: Establishes when you must make payments and what work must be completed before each payment
Progress payment clauses protect both you and the builder by linking payments to completed stages of work. Understanding the payment schedule prevents you from paying too much too early, which would leave you with limited leverage if problems arise. Never pay for work that hasn't been completed to a satisfactory standard. Progress payments must comply with NSW Fair Trading requirements ensuring milestone-based payment claims align with actual work completion stages.
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Clause 13: Variations
What it is: Sets out when changes are allowed to be made by the parties and how variation costs are determined
Purpose: Determines whether a variation is allowable and establishes the process for approving and pricing changes
Variation clauses govern changes to the original scope of work. This is critical because variations are a common source of disputes and cost blowouts. Understanding what constitutes a valid variation, how it must be documented, and how additional costs are calculated protects you from unexpected expenses and ensures all changes are properly authorised in writing. All contract variations must be documented in accordance with clause 13 requirements to ensure enforceability and proper cost calculation.
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Clause 14: Time for Payments
What it is: Sets out the schedule for payments after progress payment claims are made
Purpose: Defines how long you have to make payment after receiving a valid payment claim
This clause establishes the timeframe within which you must pay the builder's progress claims. Understanding these payment deadlines protects you from late payment penalties whilst ensuring you have adequate time to verify the work has been completed properly before releasing funds. It also determines the parties' rights and liabilities in terms of being paid and receiving payment.
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Clause 15: Final Payment
What it is: Sets out when final payment must be made and what conditions must be satisfied
Purpose: Protects you from making final payment before all work is complete and defects are rectified
The final payment clause is your last significant leverage point. It ensures the builder completes all outstanding work, obtains necessary certificates, and rectifies defects before receiving the final payment. Understanding when final payment becomes due prevents builders from making undue demands for payment whilst work remains incomplete.
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Clause 23: Defects Rectification
What it is: Sets out the procedure for rectifying defects and the defects liability period
Purpose: Establishes your right to have defects fixed and defines the builder's rectification obligations
Defects rectification provisions protect your right to quality workmanship. This clause defines what constitutes a defect, the process for notifying the builder, and the timeframe for rectification. Understanding these provisions ensures you can hold the builder accountable for substandard work and establishes your right to be compensated for damage caused by the builder. The defects liability period typically extends beyond practical completion, providing ongoing protection for workmanship and materials quality issues.
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Clause 24: Suspension of Work by Contractor
What it is: Sets out the instances when the builder or contractor may suspend the works
Purpose: Defines the builder's right to stop work and your obligations when suspension occurs
Suspension clauses limit when a builder can legitimately stop work on your project. Understanding these provisions protects you from unreasonable work stoppages and clarifies what circumstances justify suspension. This clause lays out the builder's right to suspend and your corresponding obligations, particularly regarding payment disputes.
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Clause 25: Termination of Contract by Owner
What it is: Sets out your right to terminate the contract and the grounds on which you can do so
Purpose: Defines when and how you can legally end the contract if the builder breaches their obligations
Your termination rights are crucial when a builder fails to perform. This clause specifies the circumstances under which you can terminate the contract, the notice requirements, and the financial consequences. Understanding the proper way of terminating the contract protects you from wrongful termination claims and ensures you follow the correct legal process.
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Clause 26: Termination of Contract by Contractor
What it is: Sets out the builder or contractor's right to terminate the contract and the grounds they can rely on
Purpose: Defines when the builder can end the contract without being in breach
Understanding when a builder can legitimately terminate protects you from unfair contract termination. This clause ensures the builder can only terminate for valid reasons such as non-payment or repeated interference, not simply because they found a more profitable project. Knowing these provisions helps you avoid circumstances that might give the builder grounds to walk away.
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Clause 27: Disputes
What it is: Sets out the procedure that parties need to undergo in case there is a dispute
Purpose: Establishes dispute resolution process to resolve conflicts efficiently and cost-effectively
Dispute resolution clauses provide a structured pathway for resolving conflicts without immediately resorting to costly litigation. Understanding this process can save you time, energy, and financial resources. The NSW Fair Trading contract typically requires parties to attempt informal resolution, then mediation, before pursuing tribunal or court action under the Home Building Act 1989 (NSW). If mediation fails, disputes proceed to NSW Civil and Administrative Tribunal (NCAT) which has jurisdiction over building disputes under $500,000.
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