Mark Group

Mark Group is the leading national installer of insulation and renewable technology in the UK. We insulate over 6,000 homes every week and have already made over 1.5 million homes in the UK more energy efficient.Our portfolio includes cavity wall and loft insulation, external wall insulation systems, solar hot water and solar PV panels and heat pumps. Established in 1974, as a small family business, we have now grown to operate from 14 regional Distribution Centres.

Mark Group has invested hugely in service and quality which is why everyone from national power companies and housebuilders through to local authorities, social landlords and private homeowners recognise Mark Group to be the best company to ask about saving energy.