We’d want to established supplemental cookies to understand how you use GOV.United kingdom, bear in mind your configurations and increase government solutions. The total funding pool readily available for the ECO4 scheme is £4 billion, and the level of funding for people will change based on several aspects (see even https://energysavinggrants.sport.blog/2025/08/22/government-eco-grants-100-funded-energy-efficiency-solutions/