Insulation Installers in Lewisham

Yes — we cover Lewisham and all surrounding Greater London postcodes (SE13, SE6). Most surveys can be booked within 3-5 working days, with a written quote sent within 24 hours of the visit.

Lewisham's Victorian terraces in areas like Hither Green, Catford and Brockley are some of the coldest housing stock in London — many still uninsulated. EWI on rear elevations or full-property IWI typically cuts heating bills by 30-40% in these homes. The right choice depends on your wall construction (solid vs cavity), property age, and whether external alterations are permitted. Our free survey identifies the most cost-effective option for your specific home.

Yes. As a TrustMark and PAS2030-19 certified installer we can deliver work funded under ECO4 and the Great British Insulation Scheme (GBIS) for eligible households. Local authority and council-led schemes also occasionally apply in Greater London.

Loft top-ups are usually a 1-day job. Floor insulation takes 2-4 days depending on access. Internal wall insulation runs to 1-2 weeks for a full house, and external wall insulation typically 2-4 weeks including render and decoration.