Scores based on 14 reviews

Reliability & timekeeping

Invoice history based on 7 reviews.

Invoice History
Charged as per quote / estimate100%
Appointments reported as missed (6 months) 0
Average score 9.61
14 reviews
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  • VAT registered
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Cornerstone is a family run business specialising in external wall insulation, render and cladding.  We work for domestic customers on individual properties, as well as for main contractors and public sector bodies on larger projects.  We value every project, large or small.

We are based in Norfolk, but have been working across East Anglia and the South East since 2004 and have a reputation for excellent quality standards and customer service.

We are a member of the leading insulation trade body for our industry - the National Insulation Association - and have installed insulation in over 10,000 homes to date.

There is often funding available for the installation of insulation measures, dependent on household circumstances - contact our friendly team for more information or a free no-obligation quotation.


Based in

Harleston, Norfolk

Works in

Bedfordshire, Cambridgeshire, Essex, Kent, Lincolnshire, London, Norfolk, Suffolk, Surrey, Sussex

Team photos

Joel Mullin - Business Development Manager

Brandon Pickess - Trainee Surveyor

Wes Holloway - Contracts Manager