What licences does a plumbing subcontractor need in Australia?
Last reviewed July 5, 2026
A plumbing subcontractor needs a valid plumbing licence, which changes by state. They also need a current trade qualification, like a Certificate III in Plumbing. If they're working with gas, they'll need a gas fitting licence. Check with your local state regulator for details.
Key points
- Valid plumbing licence is required.
- Trade qualification like Certificate III in Plumbing is needed.
- Gas fitting licence is necessary for gas work.
Each state in Australia has its own licensing rules for plumbers. Make sure your subcontractor meets all local regulations before starting work. This helps avoid compliance issues later and keeps the project moving smoothly.
How Alloovium helps
Alloovium can help track and manage compliance documents for subcontractors.
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General information for Australian construction professionals — not legal advice. Verify jurisdiction-specific requirements with the relevant regulator.