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Why Gas Work in NSW Must Be Done by a Licensed Gas Fitter

A plumbing licence alone doesn't authorise gas work in NSW. Here's what the law actually requires, and why it matters for your safety and your insurance.

6 September 2026By Just Pro Plumbing
Why Gas Work in NSW Must Be Done by a Licensed Gas Fitter

A licensed plumber and a licensed gas fitter are not automatically the same thing, and this catches out more homeowners than you'd expect. Here's what NSW law actually requires for gas work, and why it genuinely matters.

Gas meter and utility connection on a Sydney property

A Plumbing Licence Doesn't Automatically Cover Gas Work

This is the single most common misunderstanding homeowners have. A general plumbing licence does not automatically authorise someone to work on your gas system. Gas fitting requires a specific endorsement or licence issued by NSW Fair Trading, and a plumber without it is not legally permitted to touch your gas installation, even if they're fully licensed for everything else.

Who Regulates Gas Work in NSW

NSW Fair Trading is responsible for regulating all gas connections and installations across the state. All gas work covers a broad scope, connecting an appliance, extending a gas line, installing a new hot water system, and every category requires a licensed gas fitter. There is no category of gas work that a property owner is legally permitted to carry out themselves.

Certificates of Compliance Aren't Optional Paperwork

Once gas work is completed and inspected, the licensed gas fitter must issue a Certificate of Compliance. This isn't a formality, it's the legal record confirming the work was carried out to standard, and it directly affects two things that matter: your insurance, since a claim can be declined if gas work wasn't properly certified, and any future property sale, where buyers and their conveyancers frequently ask for evidence of compliant gas work.

How to Check Before Work Starts

Before any gas work begins on your property, ask for the tradesperson's gas fitting licence number directly, and confirm they'll issue a Certificate of Compliance on completion. You can verify a licence directly with NSW Fair Trading. A legitimate gas fitter won't hesitate to provide either.

Why This Matters Beyond Legal Compliance

Gas work carried out incorrectly creates genuine safety risks, leaks, carbon monoxide exposure, and fire risk among them. The licensing requirement exists specifically because the margin for error in gas work is genuinely small, and the consequences of getting it wrong are serious.

Licensed Gas Fitting Across Sydney and NSW

All gas work carried out by Just Pro Plumbing is completed by licensed gas fitters, to Australian standards, with a Certificate of Compliance issued on every job. This covers appliance connections, gas line installations, and hot water system gas fitting across Sydney Wide and the NSW region.

Get Licensed Gas Fitting Done Properly

Servicing Sydney Wide and NSW. Fully licensed gas fitters, Certificate of Compliance on every job.

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Frequently Asked Questions

Can any licensed plumber do gas work in NSW?

No, gas fitting requires a specific endorsement or licence from NSW Fair Trading, separate from a general plumbing licence.

What is a Certificate of Compliance and why does it matter?

It's the official record confirming gas work was completed and inspected to standard. It matters for insurance claims and for property sales.

How do I check if a gas fitter is actually licensed?

Ask for their gas fitting licence number and verify it directly with NSW Fair Trading before work begins.

Can I do minor gas work myself, like disconnecting an appliance?

No, there is no category of gas work a property owner is legally permitted to carry out themselves in NSW.

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