Gasfitters specialise in the installation, maintenance, and repair of gas reticulation systems and gas appliances in residential, commercial, and industrial settings. In Australia, gas work is classified as high-risk and requires a specific gas fitting licence or endorsement — a general plumbing licence alone does not authorise gas work. Gasfitters connect and commission gas cooktops, ovens, hot water systems, space heaters, barbecues, and pool and spa heaters. They also install and pressure-test gas piping from the meter to the appliance, carry out gas leak detection, and service gas regulators and valves. Homeowners typically need a gasfitter when installing a new gas appliance, converting from electric to gas, extending a gas line to an outdoor kitchen, or when a gas leak or carbon monoxide concern is suspected.

Queensland Building and Construction Commission — Regulatory Overview

Queensland Building and Construction Commission is Queensland's principal regulator for the building and construction industry, responsible for licensing all gasfitters who perform regulated work in the state. The QBCC issues and renews licences, sets minimum requirements for licensees, investigates complaints, and takes disciplinary action against non-compliant operators.

As of February 2026, Queensland Building and Construction Commission oversees 5,293 licensed gasfitters across Queensland, covering 3 licence classes. This represents one of the most comprehensive licensing regimes in Australia, designed to protect consumers and maintain industry standards.

Penalties for Unlicensed Work

Performing unlicensed gasfitter work in Queensland carries significant fines. Homeowners who engage unlicensed gasfitters lose access to statutory consumer protections and may face voided insurance, failed inspections, and other consequences.

How to Verify a Gasfitter in Queensland

Verifying a gasfitter's licence in Queensland is straightforward and should be done before engaging any tradesperson for work. You can use TradieVerify's free search tool to instantly look up any Queenslandgasfitter by name, licence number, or business name. Alternatively, you can search directly through Queensland Building and Construction Commission at https://www.qbcc.qld.gov.au.

When verifying, confirm: (1) the licence is current and active, (2) the licence class covers the type of work you need, (3) there are no conditions or restrictions on their licence, and (4) there is no disciplinary history. A legitimate gasfitter will have no hesitation providing their licence number for verification.

How to Hire a Gasfitter in Queensland

1
Verify they hold a gas fitting licence, not just a plumbing licence
Gas fitting requires a separate licence or endorsement in every Australian state. A plumber without a gas fitting endorsement is not legally permitted to work on gas lines or appliances. Ask to see the gas-specific licence and verify it on the state register before any work begins.
2
Ask whether they will issue a gas compliance certificate
After completing gas work, a licensed gasfitter must issue a gas compliance certificate (or gas safety certificate) and lodge it with the relevant authority. This certificate confirms the installation has been pressure-tested and is safe. Without it, your gas supplier may refuse to connect supply.
3
Check if they are experienced with your specific gas type
Australia uses two main types of reticulated gas: natural gas (methane) and LPG (propane/butane). Appliances and regulators differ between the two, and incorrect conversion can be lethal. Confirm the gasfitter has specific experience with your gas type, especially in regional areas where LPG is common.
4
Ask about ventilation requirements for your installation
Gas appliances require adequate ventilation to prevent carbon monoxide build-up. An experienced gasfitter will assess your space for combustion air supply and flue requirements before quoting — not discover ventilation issues after the appliance is installed.
5
Confirm they carry a gas leak detector and pressure testing equipment
Professional gasfitters should carry electronic gas leak detectors and manometers for pressure testing pipework. If they rely solely on soapy water for leak detection, they may miss small leaks that an electronic detector would catch. Pressure testing newly installed pipework is mandatory under Australian Standards.

Red Flags When Hiring a Gasfitter

No gas compliance certificate issued after completing work:A licensed gasfitter must issue and lodge a gas compliance certificate (or gas safety certificate) for all regulated gas work. Without this document, the work is not legally compliant, your gas supplier may disconnect supply, and you have no proof the installation was pressure-tested and safe.
Skips the pressure test on new or modified gas pipework:Australian Standards require all new or modified gas pipework to be pressure-tested before commissioning. A gasfitter who connects appliances without first conducting a documented pressure test is cutting a critical safety step that exists to detect leaks before gas flows through the system.
Uses non-approved fittings or flexible connectors beyond their rated life:Gas fittings and flexible connectors must be approved to Australian Standards (AS 5601). Flexible gas connectors have a limited service life — typically 10 years — printed on the label. A gasfitter who installs unapproved fittings or reuses expired flexible connectors is creating a potential gas leak hazard.

Typical Gasfitter Costs in Queensland

Hourly Rate

$85 – $140

Callout Fee

$70 – $120

Common Gasfitter Jobs & Estimated Costs

Job	Estimated Cost
Gas cooktop installation	$200 – $500
Gas hot water system install	$1,200 – $3,000
Gas leak detection and repair	$150 – $400
Gas bayonet point installation	$200 – $400
Gas heater servicing	$120 – $250

Gasfitter Complaints & Disputes in Queensland

Queensland Building and Construction Commission (QBCC)

139 333 Website

How to Lodge a Complaint

1Write to the tradesperson detailing the issue and requesting rectification within a reasonable timeframe (usually 14 days)
2If unresolved, lodge a complaint online via the QBCC website or call 139 333
3QBCC will assess the complaint and may arrange an inspection
4If the complaint is substantiated, QBCC can issue a direction to rectify the work
5If the tradesperson fails to comply, QBCC may take disciplinary action or use its insurance fund to cover rectification

Frequently Asked Questions

Is a gas fitting licence different from a plumbing licence?

Yes. Although many plumbers also hold a gas fitting endorsement, the two are separate licence categories in every state. A plumbing licence covers water supply and drainage. A gas fitting licence covers gas reticulation and appliance connections. Always check that the tradesperson holds the specific gas fitting credential, not just a plumbing licence.

How often should gas appliances be serviced?

Energy Safe Victoria and other state regulators recommend servicing gas heaters every 2 years and other gas appliances at least every 2–5 years. Appliances older than 10 years should be inspected annually. Regular servicing helps detect carbon monoxide leaks, deteriorating seals, and burner issues before they become dangerous.

What are the signs of a gas leak in my home?

Common signs include a rotten-egg smell (added to natural gas as a safety measure), a hissing sound near gas lines or appliances, dead vegetation near a buried gas pipe, and higher-than-expected gas bills. If you smell gas, do not operate electrical switches, open flames, or mobile phones — evacuate immediately and call your gas emergency number (typically 13 19 09 for natural gas).

How many licensed gasfitters are there in Queensland?

As of February 2026, there are 5,293 licensed gasfitters registered with Queensland Building and Construction Commission in Queensland. This includes all licence classes: Gasfitting, Mechanical Services - Medical Gas, Specialised Contracting - Solid Fuel Heater Installation.

How do I verify a gasfitter's licence in Queensland?

You can verify any Queensland gasfitter's licence using TradieVerify's free search tool or directly through Queensland Building and Construction Commission at https://www.qbcc.qld.gov.au. Enter the gasfitter's name or licence number to confirm their registration status, licence class, and any disciplinary history.

Licensed Gasfitters in Queensland

Find Gasfitters by City

QueenslandGasfitter Statistics

Breakdown by Licence Class

Breakdown by Financial Category

Gasfitter Licensing in Queensland