When you need consent, what's exempt, owner-builder rules, and code compliance certificates — with exact section references.
The Building Act 2004 regulates all building work in New Zealand. Whether you're a homeowner, builder, or developer, understanding when consent is required — and what you must do to get it — is essential. Getting it wrong can result in orders to demolish work at your own cost.
What needs consent, what's exempt, and the application process.
What you can do yourself, the 3-year sale rule, and disclosure requirements.
SSSP and HSWA obligations
HSWA requirements for builders
MBIE guidance
Rental property standards
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