Worcester manufactures heating and hot water appliances for the home

Worcester is the choice for millions of quality and value focused homeowners. We have been manufacturing to the highest quality standards for over 50 years and as part of the Bosch Group, we are a charitable foundation. Our product range includes gas and oil boilers, smart controls, cylinders, solar water heating and heat pumps.

Which? Best buy award for 6th consecutive year

Which? Best buy award for 6th consecutive year

Our entire range of Greenstar gas boilers has once again come out on top in the Which? boiler report, having been awarded Which? Best Buy for the 6th year running.

Worcester unveils all-new guarantee promotion

Worcester unveils all-new guarantee promotion

New promotion sees guarantees extended to up to seven years on selected boilers

Worcester achieves an A+ for efficiency

Worcester achieves an A+ for efficiency

Greenstar i, Greenstar Si or Greenstar CDi Compact combi + Wave thermostat = A+ efficiency rating

Which Awards

We're really proud of our Which? Awards

  • In the latest Which? Report, each and every single Greenstar boiler in the Worcester gas boiler range has been awarded a best buy - that's 33 products in total.
  • In the 2015 survey Worcester had the highest overall score for gas boilers, 4% higher than our nearest competitor.
Find out more


Worcester's Greenstar boilers all offer high levels of performance as well as operating efficiency and are available in a range of outputs and fuel types.

Customer support

Search for answers in our Troubleshooting section, or call our support team on 0330 123 9339.


Why not use our troubleshooting tool or frequently asked questions to help answer your enquiry?

Register guarantee

Register your Worcester Bosch product here by following a few simple steps.

Manuals & brochures

Lost the instructions? Don't worry. Download PDF copies of product use manuals, instructions or brochures here.

Environment & Community

We're committed to supporting communities & acting responsibly towards the environment.