Alternatively, the government will really encourage men and women to exchange their boilers with greener alternate options, specifically warmth pumps and biomass boilers. The total funding pool readily available for the ECO4 scheme is £4 billion, and the amount of funding for individuals will vary determined by many factors (see https://governmentecogrants.game.blog/2025/07/20/solar-energy-grants-uk-government-support-for-greener-homes/