The Which? report reveals how Worcester boilers have been a clear choice for installers and homeowners up and down the country, with the brand sitting above its two nearest rivals. The score was calculated from taking a mixture of trade professional and consumer survey feedback to give 360-degree insight.

Which? Trusted Traders rated Worcester Bosch highly across several criteria, with five stars awarded for the build quality, reliability, and the likelihood of an engineer recommending a Worcester Bosch boiler to their customers.

One Which? Trusted Trader heating engineer commented: “It [Worcester Bosch] has a huge range of products, is generally very reliable and its customer service is a country mile ahead of others.”

Martyn Bridges, director of technical communication and product management at Worcester Bosch, said: “Which? is a hugely respected independent body and the annual report they prepare is always eagerly awaited by our industry and consumers alike. The Which? results have huge influence on the purchasing behaviour of consumers and give a true reflection of our boilers' performance and added value, so to come out on top and have all of our boilers included in the coveted Which? Best Buy category is an amazing result. 

“We know that this result will continue to support engineers at the point of sale and also reaffirms the Worcester brand as the number one boiler choice for both our industry and consumers.”

This year’s report saw 12,191 boiler owners and 166 Which? Trusted Traders heating engineers asked to rate 12 of the main boiler brands.