We are officially OFTEC accredited

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

OUR SERVICES

ABOUT US

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.

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SECTORS WE WORK WITH

Social Housing

Private Housing

Private Landlords

Main Contractors

Public Sector

New Build

Park Homes

Energy Companies

Commercial

WHY WORK WITH US?

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WHAT OUR CUSTOMERS SAY...

FEATURED CASE STUDIES

EWI Reinstatement on High Rise Social Housing

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External Wall Insulation to Swedish Timber Frame Property

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Park Home Insulation at Ashdale Park

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External Upgrade to 1920s Solid Wall Houses

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Urgent High Rise Cladding Removal

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Transformation of a Community Church

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Social Housing Cladding Replacement

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External Refurbishment of Social Housing Blocks

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Upgrade of Thermal Insulation and Cladding to Bay Windows

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Bungalow Insulation at Prestigious Racing School

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Primary School Refurbishment

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Stevenage Borough Council Insulation Programme

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Textured Render Installed on New Build Family Home

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Façade Works on City Centre Hotel

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Insulating Properties of Non Traditional Construction

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Private Sector Government Funded Heating Scheme

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Refurbishment Works for Secure MOD Site

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Park Home EWI Scheme in Suffolk

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System Built Properties Transformed by External Wall Insulation

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Private Landlord Assisted to Internally Upgrade Conservation Area Portfolio

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New Build Passivhaus Render Project

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Insulating Non-Traditional BISF Properties

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Cornerstone Steps in to Rectify External Wall Insulation Defects

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EWI Scheme Transforms Domestic Properties

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Innovative Park Home Insulation Scheme

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New Build Plumbing, Insulation and Renewables Installation

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Green Deal Communities Fund Delivery

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Commercial PV Cuts Gym’s Electricity Bills

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External Insulation of Vital Community Hub

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Energy Company Partnership

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Leading by Example with our Energy Efficient HQ

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Innovative District Heating System

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Internal Insulation of Museum’s Archives

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01379 853 613

enquiries@cornerstonelimited.co.uk
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Cornerstone (East Anglia) Ltd are authorised and regulated by the Financial Conduct Authority FRN 917418.  We act as a credit broker not a lender and offer finance to consumers from a panel of lenders.
Registered Office: Cornerstone (East Anglia) Limited, Unit 2-4, Fuller Road, Harleston, Norfolk, IP20 9EA.
Registered No.05117129. Registered in England and Wales.