Keston Boiler Repairs

At Greenheat UK we are proud to call ourselves the home of Keston boilers. We have over 124 years of combined experience of Keston boiler installation, breakdowns and servicing across our team of engineers and we are regarded by the manufacturer as specialists on their products.

We carry the largest stock of Keston Boiler spares in the UK, which enables us to repair your boiler faster, and get your heating and hot water back on again.

In the event of a breakdown do not hesitate to contact our bookings department on 0207 607 0999 or use the appointment form.

Breakdown Spares

We have the largest stock of Keston boiler spares across the entire range including deleted models in the UK.

Service Contracts

Annual (12 month) service contracts are available across the entire range of Keston boilers pending an initial site survey and service.


We have the parts and the capabilities to, if necessary, rebuild your boiler from scratch as a cheaper alternative to purchasing a new boiler.


We can issue gas safety certificates to both residential and commercial properties fitted with any of the Keston Boiler range. This can be incorporated alongside an annual service contract


We can upgrade your boiler to a more energy efficient model in the Keston range, carry out heat efficiency surveys on your property to identify heat loss and, pending a suitability assessment supply and install the latest in smart heating and hot water control products.


The booking team will book a call out at the most convenient time for you. All of our engineers are Gas Safe registered and specifically trained on Keston boilers with many years of experience operating on the entire range. They have also been trained on the Deltadore heating control product range.