CWI benefits

Cavity Wall Insulation (CWI) for existing homes

Cavity wall insulation is the most cost effective way to reduce your home heating bills, with up to 35% of a home’s heat is lost through uninsulated walls. That’s why energystore have insulated over 400,000 homes in the past 40 years! Our technical experts will help you to assess whether your property is suitable for cavity wall insulation to be installed.

Benefits of installing CWI in your home

Lower fuel bills

Installing CWI in your home will help to reduce your heating bills as superbead will result in heat leaving your home less quickly.

Help the environment

energystore superbead is the most environmentally friendly insulation, saving 26 tonnes of CO2 emissions from a typical property.

25 year guarantee

energystore issue a 25 year guarantee for cwi installs in existing homes, providing further reassurance of the quality of our work.