News
HUG2 Funded Park Home Insulation
Client: Uttlesford District Council Measures: Park Home Insulation Location: Bishops Stortford Date: June – November 2024 Value: Approx. £500,000 The Challenge Cornerstone were appointed by the Greater South East Net Zero Hub as their exclusive park home insulation installer under the HUG2 scheme for 2023/24. Under this scheme, we worked with numerous local authorities to roll…
Read MoreHarnessing the Sun in Bedfordshire
Client: Central Bedfordshire Council Measures: Solar PV Location: Central Bedfordshire Date: January 2024 to March 2025 Value: Approx. £1.4m The Challenge Cornerstone has been working with Central Bedfordshire Council since 2021 on both private and social sector domestic retrofit schemes – insulating hundreds of properties to date. We assisted CBC in their application to the Social…
Read MoreCornerstone now FENSA accredited for Window and Door Replacement
Cornerstone was pleased to receive accreditation from the Fenestration Self-Assessment Scheme (FENSA) – the government-authorised scheme that monitors building regulation compliance for replacement windows and doors – in December 2024. This certification ensures that all our window and door installations comply with Building Regulations, are registered with the local council and offer an insurance backed…
Read MoreMulti-Measure SHDF Wave 2 Scheme
Client: Grand Union Housing Group Measures: EWI, Solar PV, Air Source Heat Pumps, CWI, Loft Insulation Location: Bedfordshire, Buckinghamshire, Northamptonshire and Hertfordshire Date: April 2023 – Current Value: £1.6m to date The Challenge Cornerstone is currently in the second year of SHDF wave 2.1 delivery for Grand Union Housing Group, having installed more than 120 complex…
Read MoreHigh Rise Refurbishment & Cladding Replacement
Client: Accent Housing Measures: EWI and Cladding Replacement, Window and Door Replacement, Roofing Works and Lightning Conduction System Installation Location: Aldershot, Hampshire Date: April 2022 to August 2023 Value: £2.9m The Challenge Cornerstone secured this complex high rise refurbishment project with social landlord Accent Housing in early 2022 via competitive tender. The contract focused on the…
Read MoreExternal Regeneration of the Flamsteed Estate
Client: United Living Measures: External Wall Insulation, Loft Insulation Location: Greenwich Date: 2020 – 2022 Value: Approx. £1m The Challenge Cornerstone was appointed by main contractor United Living to complete insulation works to nine medium rise residential blocks for end client the Royal Borough of Greenwich in 2019. Our external wall insulation package was part…
Read MoreInsulating Swedish Timber Framed Properties
Client: Guildford Borough Council Measures: External Wall Insulation Location: Guildford Date: March 2020 – October 2021 Value: Approx. £250k The Challenge Cornerstone was appointed by Guildford Borough Council to deliver a programme of external wall insulation to properties within their housing stock, as their budget allowed. Successful via an open tender process, Cornerstone was appointed in…
Read MoreEnergy Efficiency Upgrades at Cumberland House
Client: Cross Keys Homes Measures: External Wall Insulation, Cavity Wall Insulation, Window Replacements and Ventilation Upgrades Location: Peterborough Date:January – December 2021 Value: £1.7m The Challenge Cross Keys Homes is a Peterborough-based housing association that manages over 11,000 homes across the East of England. In 2020, Cross Keys Homes engaged us to deliver a package…
Read MoreSocial Housing Whole House Retrofit
Client: Cambridge City Council Measures: External Wall Insulation, Solar PV, Loft Insulation Location: Cambridge Date:March 2021 – October 2021 Value: Approx. £1.2m The Challenge Cornerstone had worked with Cambridge City Council for a number of years, installing EWI via main contractors and also on private sector schemes. In 2020, we were directly awarded a new…
Read MoreCornerstone Successful at East of England Energy Efficiency Awards 2021
Cornerstone and our partners enjoyed a successful night at the East of England Energy Efficiency Awards in September 2021. Nominated in the Insulation Installer of the Year category, we were Highly Commended for our entry, recognising the excellent work we have carried out in the region over the last year. In addition, our Large Project…
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