Tradespeople and certifiers

Discover trade obligations, certification, licensing, and development support for builders and developers.

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Building Commission NSW regulates the building and construction sector in NSW

Building Commission NSW regulates the building and construction sector in NSW

From 1 December 2023, Building Commission NSW took on the job of overseeing the building and construction industry in NSW. 

Information for tradespeople, certifiers and developers

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Trade responsibilities and resources

Find important information about the essentials of being part of the building and construction industry.

Building industry links and contacts

Working on regulated buildings

Guide to home building contracts


Discover more resources

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Building and development certifiers

Discover how registered certifiers evaluate and decide on applications for development certificates for building and subdivision work.

Becoming a certifier

Certifier responsibilities

Finding and appointing a certifier


Learn more about certifiers

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Property developers working on regulated buildings

Learn how developers working on regulated buildings have additional responsibilities when managing a project.

Developer instructions

Developer undertakings

How developers are audited


Find more resources for developers


More information

Licence information by industry in NSW

Learn the requirements for different trade licences across various industries in NSW.

Company and partnership licences

Find out everything you need to know to get a company or partnership licence in NSW.

National Construction Code (NCC) compliance

Find out how to follow the NCC, which includes the Building Code of Australia and the Plumbing Code of Australia.

NSW Planning Portal

Explore the NSW Planning Portal to discover different tools and planning services made to help you with your needs.

Certifiers' continuing professional development

Certifiers must complete ongoing training to stay current with industry changes and laws. Learn more.

Construct NSW training courses

Learn new skills and fill knowledge gaps with courses from Building Commission NSW. Courses have been developed by industry experts in collaboration with TAFE NSW.


Get in touch

At Building Commission NSW, we offer a range of services to assist home and business owners, builders, traders, and others in resolving disputes.

We can help with complaints regarding:

  • building, renovation, or trade work performed on residential buildings
  • specialist trade work performed on residential and non-residential buildings.

Home building complaints and enquiries

Home building:Complaints form
Design and Building Practitioners:Enquiries and complaints form
Certifier complaint form:Complaint form
Make an enquiry:Enquiry forms

Contact Building Commission NSW

Call:13 27 00Monday to Friday, 8:30am to 5pm (excluding public holidays)
From overseas, call: +612 3814 0545
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