As a substitute, the government will inspire individuals to replace their boilers with greener alternatives, specifically heat pumps and biomass boilers. Eligibility for an ECO4 grant is set by things which include money, assets variety, and existing energy efficiency actions. Use our free grant checker to examine when you qualify https://freeinsulation.food.blog/2025/08/22/free-insulation-uk-government-grant-insulation-for-warmer-homes/