Cornerstone is a main contractor specialising in the installation of energy efficiency measures and facade solutions. Founded in 2004 as a specialist in cladding and concrete repair, our expertise now extends to a broad range of home improvement solutions, from insulation to renewables. We work predominantly on domestic properties, for social landlords, local authorities, private landlords and individual home owners. Our expertise extends to high and medium rise blocks, properties of non-traditional construction, park homes and non-domestic buildings.
The reviewers have reported numerous negative experiences with Cornerstone, including poor quality work, unprofessional behavior, lack of communication, and negligence.
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