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Unsafe gas appliances caused six deaths in a year

Dangerous gas appliances found in one in six homes


Gas appliances can cause gas leaks, fires, explosions and carbon monoxide poisoning if left unchecked

Dangerous gas appliances caused six fatalities and over 300 injuries in the last year alone, according to the Gas Safe Register.

The organisation, which administers the register of approved gas engineers in the UK, also found dangerous gas appliances in one in six of the 142,000 homes it has inspected in the last five years. It said that more than 5.5 million people in the UK are putting their health and finances at risk by not getting their gas appliances safety checked every year.

If you’re a homeowner, bear in mind that it’s your responsibility to get your gas appliances safety checked. But if you’re renting, it’s your landlord’s legal responsibility.

Getting the best boiler service

It can cost as little as £60 to have your gas appliances safety checked every year, according to a survey of gas engineers by Gas Safe Register. A faulty boiler can kill within minutes, so it’s important to get a good service.

When organising a gas safety check, use the Gas Safe Register website to check that the engineer is registered – a trained engineer is likely to do a better job that someone working illegally.

Which? secretly filmed 10 engineers servicing a boiler in May 2015 and found that eight failed to meet the minimum legal requirements. Head to our advice page on getting the best boiler service for a full description of what we found, and how we’ve shared our findings with Gas Safe Register.

You can also use this page to download our checklist of questions to ask your boiler servicing engineer to make sure you get a good boiler service.

Boiler servicing contract reviews


Head to our boiler reviews for a better chance of finding a boiler that gives you years of reliable service

While it’s important to get your boiler safety checked every year, you’ll also want a boiler that gives you years of reliable service.

We’ve rated and reviewed several popular boiler brands by asking 10,779 Which? members about their experiences in May 2015. To help you choose a boiler, we’ve analysed their responses to give each brand an overall customer score and a brand reliability score.

For the first time ever, we’ve also collected the views of 110 Which? Trusted Trader heating engineers about the boiler brands available in the UK to find out whether they would recommend each brand of boiler, what the build quality is like, and how easy it is to fix a common fault.

Head to our boiler reviews for the full lowdown on how each brand fared.

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