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Leaking Gas – How to detect a gas leak in your home

Gas is a relatively safe and convenient source of energy, but gas leaks can happen if your gas is improperly installed or isn’t properly maintained. Gas leaks can be a serious concern to your health and safety, so it is important to be able to detect a gas leak easily and take action immediately. There are a few ways you can detect a gas leak in your home:

Feeling Unwell

Leaking gas can cause headaches, nausea, dizziness, breathing difficulties and eye or throat irritation. If you start feeling unwell without cause while using your gas appliance, consider that it may be due to a gas leak.


The smell of gas is unpleasant (an added smell by suppliers, gas is actually odourless!), so one of the first things you might notice with a gas leak is the smell. If you smell something off, similar to the smell of rotten eggs, it may be a gas leak.


Leaking gas can give off a whistling or hissing sound as it escapes from the gas line. Stand extremely still and see if you can hear anything unusual. This is more effective if you know where the gas line is.

Unusual Stove top Flame Colour

When on, the fire from your stove top should be a blue colour. If the flame is orange or red that is a strong sign that there could be a gas leak.

Higher Gas Bills

Sometimes a slow gas leak is not detectable by the above methods. If you notice a steep increase in your gas bills without any change in the way you use the house it could be a sign of a gas leak.

Dead Plants

Plants are extremely sensitive to changes in atmosphere. If one plant or a small patch of grass starts dying without cause, there may be a leak in the gas line.

Electronic Gas Detectors

These devices can be purchased from your local hardware store and can either be mounted in a room for constant monitoring or can be handheld and used when necessary.


What do you do if you detect a suspected gas leak?

Leaking gas can be extremely dangerous and should be dealt with immediately by a qualified professional. Start by turning off any gas appliances if possible. Don’t turn off or on any electronic switches, open the windows and doors, and step outside away from the house. From a safe location, immediately phone a licensed gas plumber such as someone from our team at Pascoe’s Gas, Water and Electrical. A professional can safely identify and fix any gas leaks to keep you and your family safe.

Call 1300 072 726 today for an obligation-free quote!


Please Note:

The information contained in this guide is general in nature.

Although every effort has been made to write this guide in an easy to understand format the accuracy of the information contained in this website is general in nature and may not take affect your individual home maintenance situation.

You should consult your local Government Agency and/or Safety Regulator before you are undertaking any work on your home. Plumbing, Gas & Electrical regulations may differ from State to State or Territory in Australia.

Pascoe’s Gas, Water and Electrical its officers, employees and agents disclaim all liability (except for any liability which by law cannot be excluded), for any error, inaccuracy in, or omission from the information contained on this website or any loss or damage suffered by any person directly or indirectly through relying on this information.

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Plumbing License PL298 
ABN: 78 937 385 349
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