Once ECO4 software is submitted by the landlord, they must observe up with the ECO4 position over the portal. Ahead of upgrading any computer software, it’s vital you get approval for virtually any upgrades. Contractors will then be invited to execute the energy efficiency enhancements to the application if accredited. https://energyefficiencygrants.blogspot.com/2025/09/from-eco4-to-boiler-grants-exploring-uk.html