Gas Smell in House
A smell of gas (rotten eggs) inside the house, which could indicate a gas leak.
What Is Causing This?
- 1Leaking gas pipe joint or connection
- 2Faulty gas appliance seal
- 3Pilot light out on a gas fire or boiler, releasing unburned gas
How Urgent Is This?
This needs prompt attention. Delaying could cause further damage, safety risks, or significantly higher repair costs.
What Needs to Be Done
Open windows, do not use switches or flames, and call the National Gas Emergency line (0800 111 999). A Gas Safe engineer will locate and repair the leak using gas detection equipment.
How Much Will It Cost?
National average estimate
Labour: £85 – £200 | Materials: £30 – £178
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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.
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Ask a QuestionHow to Prevent This
Have all gas appliances serviced annually. Fit a carbon monoxide alarm near gas appliances. Never attempt DIY gas work.
Related Problems
Other Gas Engineer Problems
Loud banging, kettling, or rumbling sounds coming from the boiler, particularly when the heating or hot water comes on.
The boiler pilot light repeatedly extinguishes, meaning the boiler will not fire up for heating or hot water.
The boiler pressure gauge keeps falling below 1 bar, causing the boiler to lock out or lose heating efficiency.
The boiler shows an error code, flashes a warning light, or simply will not ignite when heating or hot water is called for.