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{{propApi.successMessage}} {{region}} Change locationDealing with defects in Western Australia
Claims about defective building work can be stressful, time-consuming and expensive. For builders working in Western Australia, knowing when you are responsible for rectifying defects is critical to protecting your business and avoiding unnecessary disputes.
Thursday, 19th March 2026
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This guide explains when builders are legally required to fix defects, including obligations under the Home Building Contracts Act, the Building Services (Complaint Resolution and Administration) Act, contractual defect liability periods and consumer protections. It also clarifies how “defects” are defined, what happens at practical completion, and how long builders may remain liable for building work.
Understanding these rules can help you respond confidently to defect claims, manage client expectations and reduce your exposure to complaints with the Building Commission. This resource outlines what WA builders need to know to handle defect issues professionally and protect their position.
Who is it for?
Building Professionals
Residential building industry professionals in Western Australia.
What does it include?
- Defining ‘defects’
- Dealing with defects at practical completion
- How long the builder is liable for defective workmanship
- What to do if you receive a request to rectify defective works
- Government authorities
- Protecting yourself from liability.