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  • Last Updated: 07 April 2022

What is a Gas Compliance Certificate, Plate or Badge?

Accordance with Standards & Regulations

In summary:
  • A gas compliance certificate is documentation that the gas installation complies with the standards and regulations issued by the governing body.
  • It is issued by the gas fitter who performs the installation.
  • The gas fitter is typically liable to correct any installation related defects.
  • It may vary in form and can be a certificate, plate or badge.
  • It let’s gas suppliers know that the installation is safe to supply.
Different States call them different names but a gas compliance certificate, plate or badge is very important documentation when you have gas at your home or business.
What you need to know:

Gas Fitters Provide the Certificates

All gas installations in Australia must be performed by a licensed gas fitter.

After installing and commissioning a gas appliance at your home, the licensed gas fitter must supply you with a copy of an installation certificate and/or fix a compliance plate or badge to the installation.

The gas fitter is required to issue a compliance certificate to the owner for any alteration or extension to an existing gas service or a new gas installation.

What Do They Mean?

Licensed gas fitters self-certify that their gas installation work complies with all relevant regulations, standards and codes by issuing a compliance certificate to you.

The compliance certificate contains a declaration, by the gas fitter, that your installation complies with all standards and requirements.

Protection For You

This is actually protection for you, if any problems develop later.

If the problems are the result of faulty workmanship, the gas fitter will be required to fix the defect.

Please see How To Add LPG Gas to Your Home for more details

No Gas Without One

Compliance certificates are also necessary for obtaining your gas supply, as gas providers cannot supply an uncertified installation.

The certificate needs to be available before the gas is connected for the first time.

In most States, the gas fitter will give you a copy to pass on to your gas supplier.

Compliance Requirements Vary by State

Some States require that an engraved compliance plate or badge be attached to the structure at the location of the gas works.

If this is the case in your State, your gas fitter will provide the plate or badge.

Here is a list of how it is done by State:

•  Queensland – Certificate of Compliance

QLD Residents Learn More

•  NSW – Compliance Plate attached near the installation or a Certificate of Inspection/Compliance

NSW Residents Learn More

•  ACT – Compliance Plate attached near the installation

ACT Residents Learn More

•  Victoria – Certificate of Compliance

VIC Residents Learn More

•  South Australia – Certificate of Compliance

SA Residents Learn More

•  Tasmania – LP Gas Storage Notice (Start Work Notice)

TAS Residents Learn More

•  Western Australia – Notice of Completion (NOC) and Compliance Badge

WA Residents Learn More

•  Northern Territory – Compliance Plate attached near the installation

NT Residents Learn More

This can all be a bit confusing, with the various State requirements, but we will help you sort it all out when you contact us for your initial gas delivery.

We will walk you through the requirements so you can start to relax and enjoy your new home or new gas appliances.

Always Use Licensed Gas Fitters

You must always use a licensed gas fitter for any projects that involves gas.

This includes gas appliance installations, repairs and maintenance, as well as installing LPG gas bottles on your home and all other gas fitting work.

Licensed Gas Fitters are Required in All States

All states and territories require the use of a licensed gas fitter for all gas related work, including both LPG and natural gas.

Do not attempt to do gas work yourself or to use a tradesperson who does not have specialist gas training and a specific gas fitter license.

Unlicensed gas work is illegal and potentially dangerous.

Your manufacturer’s warranty and insurance cover may also be void if gas work is performed by an unlicensed person.


Licensed gas fitters have a gas fitter number, issued by their State regulatory authority, authorising them to carry out gas fitting work.

Some States have different endorsements for different types of gas fitting work, such as gas appliance conversions.

Ask to see the gas fitter’s license to confirm that the tradesperson is entitled to do the specific type of gas work you require.

Gas Fitters vs Plumbers

Many gas fitters are also plumbers but not all plumbers are gas fitters.

If you require work to be done on a gas hot water system, make sure you get a tradesperson who is licensed for both the gas fitting and plumbing trades.

Also, you may need to ask the gas fitter if he does the specific kind of gas installation that you need, such as a gas fireplace.

Not all gas fitters are experienced at installing all types of gas appliances, so you should not hesitate to ask.

Compliance Certificates, Badges and Plates

Depending upon which State or Territory you live in, you will receive Notice of Compliance Certificate or a Compliance Badge/Plate will be affixed to the installation.

In it the gas fitter declares that the installation complies with all of the Australian Standards and statutory requirements.

If an installation is faulty, this also requires the gas fitter to come back and correct the defect.

Typical Gas Fitting Tasks

Gas fitters do many different types of gas fitting tasks including:

•  Gas appliance installation, conversions , repairs and maintenance

•  Gas bottle installation including regulators, changeover valves, pigtails and gas lines

•  Installation and repairs of gas flue pipes.

•  Installation of gas meters, valves and associated pipe work.

•  Adjusting of gas pressure

•  Installation of gas detection systems

•  Leak testing and repairs




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The information in this article is derived from various sources and is believed to be correct at the time of publication. However, the information may not be error free and may not be applicable in all circumstances.