Business Details
22 Years
experience
Expert Energy Efficiency Contractors in East Anglia
Established in 2004, Cornerstone has evolved from a specialist in cladding and concrete repair to a leading provider of energy efficiency solutions. Our expertise spans external wall insulation, loft insulation, and renewable energy installations, serving social landlords, local authorities, private landlords, and homeowners. We prioritise technical excellence and ethical regeneration, delivering projects across mainland England while maintaining our East Anglia headquarters. Our team combines deep industry knowledge with a commitment to customer satisfaction, ensuring compliance with technical standards and affordable access to funding.With a proven track record in complex properties, including high-rise blocks and non-traditional constructions, we offer tailored solutions that enhance comfort, reduce energy costs, and improve property value. Our 25-year insurance-backed guarantees and focus on long-term relationships underscore our dedication to quality and trustworthiness.
Services
External Wall Insulation
Loft Insulation
Park Home Insulation
Renewable Energy Installations
High Rise Facades
Details
- Year established: 2004
Highlights and features
- We have over 20 years of combined director experience in energy efficiency installations.
- Our team specialises in retrofitting complex properties, including high-rise and non-traditional constructions.
- We guarantee 25-year insurance-backed workmanship on external wall insulation projects.
- Our customer-focused approach includes free pre-installation surveys and funding advice.
- We operate nationwide with a proven track record in social housing and private sectors.
What people say
Thorough and polite team
Significant energy bill savings
Excellent workmanship
Professional project management
Successful funding applications
Services
External Wall Insulation
External Wall Insulation involves applying insulation material to solid walls, reducing heat loss by up to 45%. This solution improves energy efficiency, lowers bills by up to 425 annually, and enhances property aesthetics. Suitable for pre-1920 properties, it includes a 25-year insurance-backed guarantee and requires no internal disruption during installation.
Loft Insulation
Loft Insulation uses mineral wool layers to prevent heat escaping through roofs, cutting energy bills by up to 225 yearly. Installed to 270mm depth, it reduces condensation, lasts 40+ years, and pays for itself within two years. Professional installation ensures optimal coverage and compliance with building regulations for both new and existing loft spaces.
Park Home Insulation
Park Home Insulation addresses the UK's most energy-inefficient properties through tailored solutions. We install external wall, loft, and underfloor insulation to reduce heat loss and lower energy costs. Our 25-year guaranteed systems improve living conditions for vulnerable residents while maintaining structural integrity and aesthetic requirements of mobile home sites.
Renewable Energy Installations
Renewable Energy Installations include solar panel systems that reduce electricity bills and carbon footprints. Our projects integrate seamlessly with existing structures, featuring full project management from design to registration. Commercial installations demonstrate our capability to deliver energy-efficient solutions for both domestic and non-domestic properties with minimal operational disruption.
High Rise Facades
High Rise Facades specialise in cladding replacement and insulation for medium- and high-rise buildings. We address safety concerns while improving thermal performance, with expertise in rectifying defects from previous installations. Our work complies with stringent building regulations and includes comprehensive project management for social housing and commercial clients requiring large-scale faade upgrades.
People
Adam Mullin
Director
Co-founder with over 20 years' experience in construction and energy efficiency, Adam leads Cornerstone's strategic growth while maintaining hands-on involvement in major projects across England.
Tom Eden
Director
Co-founder and technical expert, Tom oversees project delivery and quality assurance, leveraging his construction background to ensure compliance with industry standards and client requirements.
Questions
What energy efficiency measures do you offer?
We specialise in external wall insulation, loft insulation, park home insulation, and renewable energy installations for domestic and commercial properties.
Can I get funding for insulation measures?
Yes, we help clients access schemes like ECO Funding, Social Housing Grants, and Local Authority programmes to reduce upfront costs for eligible properties.
Are your installations guaranteed?
Our external wall insulation carries a 25-year insurance-backed guarantee, while loft insulation systems are warranted for 40+ years under normal conditions.
Do you work outside East Anglia?
While based in Norfolk, we operate nationwide for larger projects and provide individual installations across southern and eastern England.
How long does insulation installation take?
External wall insulation typically takes 2-3 weeks per property, while loft insulation can be completed in 2-3 hours depending on space size.
What makes Cornerstone different?
We combine technical expertise in complex properties with ethical practices, offering end-to-end support from funding applications to guaranteed installations.
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