In order to carry out plumbing work in Western Australia a person must hold the appropriate licence. The Plumbers Licensing Board issues three classes of licence:
- Plumbing Contractor's Licence and Plumbing Contractor's (Drainage Plumbing) Licence
- Tradesperson's Licence and Tradesperson's (Drainage Plumbing) Licence
- Restricted Plumbing Permit
While both licensed plumbing contractors and tradespersons are qualified to carry out plumbing work, only a licensed plumbing contractor is qualified to certify that the work complies with the relevant plumbing standards. A licensed tradesperson must work under the general direction and control of a licensed plumbing contractor.
When applying for a licence, consideration is given to whether plumbers have experience in another state, territory or country. Currently licensed plumbers may wish to access information regarding mutual recognition. This includes licensed plumbers from: