The obligated energy suppliers perform with installers to introduce particular efficiency actions into your households, for instance loft, ground or wall insulation, or heating measures. You may be suitable for ECO4 for those who reside at private domestic premises and so are a member of the Help to Heat Team https://freeecogrants.co.uk/how-to-make-your-home-more-comfortable-by-applying-for-insulation-grants/