When you’re building a granny flat or converting a shed into a living space, adding gas services can be a great way to power hot water systems, cooktops, heaters or even outdoor appliances.

But gas isn’t as simple as plugging in a toaster or clicking a light switch — and doing it right from the start will keep your family safe, your project compliant, and your insurance valid.

Here’s what you really need to know before you plan your gas installation.

1. Can Your Granny Flat Have Its Own Gas Connection?

Yes —here in the Noosa, Sunshine Coast & Gympie regions, you can install LPG bottles — but these must be installed safely and to code by a licensed gas fitter. You can either install a seperate set of bottles to service the granny flat, or you could tap into the existing supply.

2. Why You Must Use a Licensed Gas Fitter

Gas fitting isn’t your typical handyman job — it’s a regulated trade. In Queensland and throughout Australia:

🔹 Only a licensed gas fitter can legally install gas appliances, pipes, regulators, meters or make changes to gas systems.
🔹 Licensed work comes with a gas compliance certificate when the installation is complete — this certificate is mandatory before the gas is turned on.
🔹 Trying DIY or unlicensed installations can void insurance, result in fines, or lead to dangerous leaks and carbon monoxide risks.

Your plumber will pressure-test the system, check for leaks and ensure everything meets the AS/NZS standards for gas installations so you and your family are safe.

3. What Gets Installed? — A Quick Breakdown

Here are the typical gas services people ask for when building a granny flat or converting a shed:

• • New gas line installation from the property boundary to the dwelling

  • LP Gas bottle installation, regulators and safe piping

  • Hot water system hookups (continuous-flow or storage type)

  • Cooktop, oven or heater installations

  • Pressure testing and certification

Each type of appliance has its own ventilation, clearance and safety requirements that must comply with national standards — your licensed gas fitter will manage this.

4. Safety is Not Optional

Gas leaks and incorrect installations can cause:

🔥 Fires or explosions
⚠️ Carbon monoxide poisoning (this gas is colourless and odourless)
🏠 Damage to property
🚑 Health risks to occupants

That’s why every new installation or modification must be inspected and tested by a licensed fitter. Regular inspections are also a good idea down the track — especially if you’re retrofitting older sheds or structures.

5. Council & Compliance — Don’t Forget These Checks

• Building permits: Granny flats generally require approval from your local council — including plumbing services.

• Gas compliance certificates: After your gas fitters complete the work, they’ll issue a certificate showing the installation meets the standards. This is essential for gas supply connection and future property sales.

6. Costs — What to Budget For

Costs vary depending on:

👷 Distance of gas line run
📍 Availability of natural gas vs LPG
🔥 Number and type of appliances (cooktops, hot water, heaters)
🏗 Complexity of the build

A licensed gas fitter can provide a detailed quote before work begins — and good planning early on can save unexpected costs later.

Wrap-Up: It’s Worth Getting Gas Right

Whether you’re planning a full granny flat build or turning a shed into a cozy living space, including gas in the project can add comfort and value — as long as it’s done safely and legally.

At Gas Services QLD, we specialise in licensed, compliant gas installations for secondary dwellings of all kinds. If you’re planning a build or conversion, get in touch for personalised advice and a quote — we’ll help you make the right choices for your home.

📞 Contact us today to chat about your gas installation plans!