Grant has been designing and manufacturing reliable heating products for nearly four decades.

About Us

From award winning oil-fired condensing boilers to the latest renewable products, our heating systems have a reputation for quality that is second to none.

We never compromise on quality. All of our products are designed so that you can be sure the durability and efficiency are market leading. We continually develop new innovative technologies and utilise only the best materials to ensure Grant products meet performance and legislative standards. Our belief in straightforward solutions guarantees that, while our technology is sophisticated, our heating appliances are low maintenance and simple to install.

Grant manufacture heating systems that respond to the challenges of rising fuel costs whilst protecting our environment. This ecological responsibility is central to all that Grant do and we will continue to innovate the most efficient products that make best use of our natural resources. We are passionate about developing sustainable, high-performance and affordable alternatives for heating homes into the future.

Flue flashing from Grant – designed with installers in mind

To complement its popular EZ-Fit flue systems, Grant also supplies a range of roof flashings to suit the different types of roofs that installers regularly come across. For Grant’s vertical balanced flue (White) system, three types of flashing are available to suit flat and pitched roofs. Each flashing is designedRead More

Grant UK G-One accredited installer announced as Installer of the Year 2015

G-One installer ND Waters Oil Heating and Plumbing Ltd picked up the prestigious award of Installer of the Year at the 2015 Heating and Renewables Awards. Based in Romney Marsh in Kent, Neale Waters attended the awards evening with his apprentice Kallum who both collected their well-deserved trophy on theRead More

Changes to the RHI Scheme: Spring 2016

At the beginning of March 2016, the Department of Energy and Climate Change announced a number of changes to the Renewable Heat Incentive which are planned to come into force on 24th March 2016. Six key amendments are due to be introduced but further changes could also be announced. AsRead More

London Boiler Cashback Scheme announced

On 2nd February 2016, the Mayor of London, Boris Johnson, confirmed the details of a new boiler scrappage scheme which will offer a £400 subsidy to homeowners and landlords who upgrade their inefficient boilers to high efficiency models. This cashback scheme is being offered to residents in the Greater LondonRead More