We’d Like to set extra cookies to know how you employ GOV.UK, bear in mind your settings and increase government solutions. The full funding pool obtainable for the ECO4 scheme is £4 billion, and the amount of funding for people will fluctuate based upon a variety of elements (see even https://energygrants.finance.blog/2025/08/22/grants-for-insulation-uk-save-energy-cut-bills-with-eco4-grants/