The obligated energy suppliers perform with installers to introduce selected efficiency actions into your houses, such as loft, flooring or wall insulation, or heating steps. Open up-cell foam is lighter and less expensive but really should not be used below floor stage wherever it could take in drinking water. Check https://freeecogrants.co.uk/how-to-make-your-home-more-comfortable-by-applying-for-insulation-grants/