We are only accepting enquiries for external wall, cavity wall and loft insulation under the Green Homes Grant – we are not able to install any other measures at this time. Please submit your enquiry via this website or email if possible; due to exceptionally high enquiry volumes, you will then be placed on a waiting list and will be contacted as soon as possible
Cornerstone is a leading funder and installer of energy efficiency measures, from insulation and heating to renewable technologies. A family business, we have grown organically to service customers across the whole of mainland UK while retaining the steadfast commitment to customer satisfaction that has been our hallmark.
Originally founded in April 2004 as a specialist in cladding and concrete repair, our expertise now extends to a broad range of home improvement solutions. Our customers include private and social landlords with housing stock numbering in the thousands, as well as individual householders seeking a bespoke retrofit solution for their home. In each case, we leverage all available funding and offer competitive finance to ensure each installation is affordable and represents a positive return on investment.
In addition to private and social housing, Cornerstone also works within the commercial and new build sectors as well as partnering local authorities and main contractors on major public sector refurbishment projects. Our expertise extends to hard to treat properties including high rise buildings, park homes and houses of non-traditional construction, each of which demands a bespoke solution. Read more.