ECO4 scheme supplies whole tenants with energy-productive improvements that supply them with good ease and comfort at their houses. Insulation, upgraded heating and much better windows mean that these households tend to be hotter in Winter season, and cooler in summertime, which affects nicely remaining commonly. Jonathan Marshall ECO4 eligibility https://ecograntscheme.health.blog/2025/09/15/the-ultimate-guide-to-uk-home-insulation-and-energy-grants-eligibility/