Carbon Leaf Ltd

We're a thriving and ever-growing retrofit installation company working across England to make homes warmer, more energy-efficient, and ready for the future! Based in London and Birmingham, we offer services like External Wall Insulation (EWI), Internal Wall Insulation (IWI), loft insulation, and heating upgrades. Through schemes like ECO4 and GBIS, we deliver these improvements at no cost to eligible customers, partnering with top energy providers like EON and local councils to ensure quality and impact. What We Do: • Experienced in Major Schemes: We proudly work with some of the UK’s biggest utility companies and managing agents to deliver energy upgrades through ECO4 and GBIS, helping communities across England become greener and more efficient. • Council Collaborations & Warmworks Partnership: Working with councils under the Greater South East Net Zero Hub, we’re delivering sustainable energy solutions through the HUG2 programme, helping communities in Hertfordshire, Essex, and Greater London benefit from impactful, long-lasting improvements. • Innovative, Durable Solutions: Using advanced technology and trusted suppliers like EWI Pro, we bring high-quality insulation and energy upgrades to customers, giving them comfort and savings that last. • Committed to Quality: With PAS 2030 compliance and TrustMark accreditation, we’re committed to the highest standards of quality, safety, and reliability in every project. • A Skilled Team That Cares: Our team of assessors, retrofit coordinators, contractors, and site managers handles each stage of retrofit work with care and expertise. While our home bases are in London and Birmingham, we work nationwide to help achieve the UK’s net-zero targets.