Is It Legal to Do Your Own Gas Fitting Work?

If you are installing a new gas appliance, renovating your kitchen, or dealing with a gas problem at home, you might wonder whether you can do the gas fitting work yourself. With so many DIY videos online, it can seem like a great way to save money.

Before deciding to take on any gas work yourself, it is important to understand what the law says, why these rules exist, and the risks involved.

Is DIY Gas Fitting Legal in Australia?

Gas fitting involves the installation, repair, replacement, alteration, and maintenance of gas pipes, gas appliances, and gas connections.

DIY gas fitting is illegal in New South Wales and every other Australian state and territory. In NSW, gas fitting safety requirements are regulated under the Gas and Electricity (Consumer Safety) Act 2017 and the Gas and Electricity (Consumer Safety) Regulation 2018. Licensing requirements are governed by the Home Building Act 1989. These laws require anyone carrying out gas fitting work to hold a licence issued by NSW Fair Trading.

It is also important to understand that not every plumber is licensed to carry out gas fitting work. Their licence or certificate must include the appropriate gas fitting category to legally work on gas appliances and gas lines.

Is There an Exception?

A homeowner can connect or disconnect an approved portable gas appliance to an existing bayonet or quick-connect fitting, as long as the appliance, hose, connector, and gas type are compatible and the manufacturer’s instructions are followed. Any installation or repairs to the bayonet fitting or gas pipework must still be carried out by a licensed gas fitter Sydney.

What Happens If You Do Unlicensed Gas Work?

Carrying out unlicensed gas fitting work in NSW can lead to financial penalties. If the work causes a dangerous situation, the person responsible could also face civil or criminal liability.

Unlicensed gas work can also create problems when selling a property. During building and pre-purchase inspections, non-compliant gas installations Sydney can be identified, leading to delays in the sale.

What Is a Certificate of Compliance for Gas Fitting?

When a licensed gas fitter completes work on your property, they must provide a Certificate of Compliance for Gas Fitting Work. This certificate records:

• The work that was completed
• The licence number of the gas fitter
• Confirmation that the work complies with AS/NZS 5601, the Australian standard for gas installations

A copy of the certificate is lodged with NSW Fair Trading, and you should receive your own copy to keep with your property records.

This certificate is important because it provides proof that the gas work was completed by a licensed professional and complies with Australian standards. It is also commonly requested for insurance claims and when selling a property. If a gas fitter completes a job without providing a Certificate of Compliance, ask for it before making the final payment.

Why Gas Fitting Is Not a DIY Job

A. Gas Leaks Can Lead to Fires and Explosions

Natural gas is highly flammable. Even a small leak can build up inside an enclosed space and ignite, causing a fire or explosion. Leaks can result from loose connections, incorrect fittings, or damaged gas pipes. A licensed gas fitter has the training and equipment to test the gas system, identify leaks, and complete repairs safely in accordance with Australian standards.

B. Incorrect Installation Can Cause Carbon Monoxide Poisoning

Faulty, poorly maintained or incorrectly installed gas appliances can burn fuel incompletely and produce dangerous levels of carbon monoxide. Because carbon monoxide is colourless and odourless, it can build up without warning. Exposure can cause headaches, dizziness, nausea, and fatigue. In severe cases, it can be fatal.

C. Gas Connections Require Specialist Knowledge

Connecting gas to a home, extending a gas line, or relocating an existing connection requires careful planning and precise installation. Gas pipes must be correctly sized, every connection must be pressure tested, and the entire system must comply with AS/NZS 5601. Even a small mistake can create safety risks that are not immediately obvious, which is why all gas fitting work must be carried out by a licensed professional.

Gas Safety Tips for Your Home

A. Schedule Regular Gas Inspections

Having your gas system inspected helps identify issues before they become more serious. For residential properties, arranging a gas inspection every two years is a sensible way to help keep the system operating safely.

B. Install Carbon Monoxide and Gas Alarms

Installing carbon monoxide and gas alarms provides an extra layer of protection for your home. Carbon monoxide alarms should be placed near sleeping areas and gas appliances, while gas detectors should be suitable for your natural gas or LPG system.

Choose alarms that comply with Australian standards. For carbon monoxide alarms, NSW Health recommends choosing a model marked as meeting UL 2034 or EN 50291 and installing it according to the manufacturer’s instructions. 

C. Know Where Your Gas Isolation Valve Is

Every homeowner should know where the main gas isolation valve is located and how to turn it off in an emergency. If you are unsure where it is or how it operates, ask your gas fitter during your next service or inspection.

How to Choose a Gas Fitter

Before hiring someone to carry out gas fitting work, take a few minutes to check their qualifications. A licensed gas fitter should be able to provide proof of their licence and explain the work they will complete.

Here are a few things to check:

• Ask for their NSW Fair Trading licence number before any work begins.
• Verify that the licence is current.
• Confirm they will provide a Certificate of Compliance once the work is complete.
• Request a written quote before the job starts.
• Read online reviews or ask family and friends for recommendations.

A reliable gas fitter will provide this information and answer any questions you have.

Final Thoughts

Gas fitting is not something you should attempt yourself. Australian laws require gas work to be completed by a licensed gas fitter, and for good reason. Correct installation and repairs help protect your home, your family, and your property while ensuring your gas system complies with current safety standards.

If you need a new gas appliance installed, a gas line repaired, or you have concerns about your existing system, our team at Fix N Flow is here to help. We provide safe and compliant gas fitting services across Sydney and can answer any questions you have before work begins.

To arrange a service, call 1300 319 275 or complete our online form, and our team will get back to you as soon as possible.