How long does building approval take in Australia?

A Development Application (DA) typically takes 60-120+ days through council. Alternatively, Complying Development Certificates (CDC) for standard projects can be approved in as little as 10-20 days through a private certifier if your project meets all the codes.

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Approvals & Compliance

Building Approval

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By George Giannakakis · M.Arch · RLA300580 · HIA Industry Judge

Last reviewed: 1 March 2026 · How we research

Building Approval explained in detail

Also known as a building permit, it is a document issued by local government authorities or a private certifier that allows the undertaking of construction or remodelling work on a specific property. It is a legal requirement to obtain a building permit before starting any construction to ensure that the proposed work meets local building codes and safety standards.

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Frequently Asked Questions

Common questions about building approval

It depends on the scope of work. Generally, internal cosmetic changes (painting, new flooring, updating kitchens/bathrooms without structural changes) don't need approval. However, structural changes, extensions, new rooms, decks, pools, and external alterations typically require both planning approval (DA) and a building permit.

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More Terms in Approvals & Compliance

Australian Standards Authorities/Consent Authorities BAL Rating Building Code of Australia (BCA)Complying Development Construction Certificate Development Application Environmental Planning Acts

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Authoritative Sources

Verify against the binding rules in your state

BuildPilot is an independent home-build CoPilot - we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.

National

National Construction Code (NCC)

Australian Building Codes Board (ABCB)

The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).

Australian Standards (AS / AS-NZS)

Standards Australia

Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.

Housing Industry Association (HIA)

HIA

National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.

Master Builders Australia (MBA)

Master Builders Australia

National peak body for general builders. Publishes commercial and residential contracts and industry guidance.

By state & territory

South AustraliaSA

Consumer and Business Services (CBS)

VictoriaVIC

Victorian Building Authority (VBA)

New South WalesNSW

NSW Building Commission (within Department of Customer Service)

QueenslandQLD

Queensland Building and Construction Commission (QBCC)

Western AustraliaWA

Building and Energy (within Dept of Energy, Mines, Industry Regulation and Safety)

TasmaniaTAS

Consumer, Building and Occupational Services (CBOS)

Australian Capital TerritoryACT

Access Canberra (Construction Occupations Registrar)

Northern TerritoryNT

Building Practitioners Board / NT Worksafe (Building)

Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.