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How we assess boiler cover

By Matthew Knight

Here you can find out more about how Which? assesses boiler cover, so we can tell you which boiler cover companies are the best - and the worst. 

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We know from our research that the vast majority of households would be better off paying for boiler repairs on an ad-hoc basis, rather than shelling out between £245 and £340* every year for boiler cover.  

We also know that some people prefer the peace of mind that boiler cover gives them. This is why we survey thousands of boiler cover customers each year about their providers, so we can tell you which ones keep their customers satisfied and which ones they would recommend.

In our latest survey, we discovered a big difference between the best and worst boiler cover brands. 

Below, we explain in detail how we rate and review boiler cover. 

If you simply want to find out which cover is best, head straight over to our boiler cover reviews

Which? boiler cover brand reviews

To help you choose the best boiler cover, we collect the views of thousands of boiler customers in our annual survey. 

Our most recent survey of boiler cover was carried out in July 2019. We surveyed 1,652 people who pay for boiler cover. We analysed their responses to give five of the biggest boiler brands an overall customer score.

The results of our survey revealed a significant gap between the best and worst boiler cover providers: the top-scorer in our survey has a score that's 19 percentage points ahead of the lowest-rated brand.

Best and worst boiler cover brands compared

Each brand's customer score is based on how satisfied customers of that brand are and how likely they would be to recommend their brand of boiler cover to a friend. 

In addition to the customer score, we also rate each brand for: 

  • Customer service
  • Value for money
  • How easy it is to contact it to arrange a repair
  • How quickly it responds to a breakdown
  • How easy it is to arrange an annual service.

What's clear from our survey results is that customers' opinions of the various boiler cover providers vary widely. 

Our research has uncovered which brands customers don’t think are good value for money, and which brands' customers think they're merely mediocre when it comes to their response times or customer service. 

If you do decide that boiler cover is the right thing for you, our expert research means we can tell you which companies won't let you down.

To find out more about what you need to know before you sign up to a boiler cover provider, including how you can cut your costs, read our guide to choosing boiler cover

* Between £245 and £340 is the average cost of an annual boiler cover policy, based on our online survey of 1,652 Which? members who have boiler cover in July 2019.


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