<p>Information on the number of homes that have received measures under ECO4 can be found in the latest <a href="https://www.gov.uk/government/statistics/household-energy-efficiency-statistics-headline-release-march-2023" target="_blank">Household Energy Efficiency Statistics Release</a>.</p><p> </p><p>ECO4 is the new iteration of the Energy Company Obligation scheme which is set to run from 2022 to 2026. The Government estimates that over this period 450,000 homes will be upgraded. Suppliers have until the end of ECO4 to meet their obligation.</p>