To learn more about what is considered plumbing, draining and gasfitting work, see schedule 4 of the Home Building Regulation 2014. You can apply to be licenced in different categories at the same or at different times. You need to be licenced in every category you intend to work in. Plumbing, drainage and gasfitting includes many different categories of work. In NSW, you need a licence before you can do any plumbing, draining or gasfitting work (including LP gasfitting), regardless of the cost of the work or whether the work is residential, commercial or industrial.
When you need a plumbing, draining and gasfitting licence