The Department of Building and Housing ensures the laws and standards that govern the building and housing sector are effective, and provides information, advice and dispute resolution services to the public. They also work with the building and housing sector to develop better professional standards and provide policy advice to the Government. 

The Plumbing, Gasfitting and Drainlaying ITO Ltd sets qualifications and industry training standards for roofers, plumbers, gasfitters and drainlayers. It also administers training, including registering and assessing trainees.