Tradespeople, certifiers and developers

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

Person in high vis work wear on a construction site.

Information for tradespeople, certifiers and developers

Yellow hard hat on table with torsos only showing of people shaking hands behind.

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

Woman using a digital tablet while working at a construction site

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

Two people in scaffolding talking, both wearing yellow hard hats and hi-vis vests.

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.


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 form

Contact Building Commission NSW

Call:13 27 00Monday to Friday, 8:30am to 5pm (excluding public holidays)
From overseas, call: +612 3814 0545
Event speaker enquiries:Speaker request form
Top of page