Homeowners: The ECO4 Scheme is geared toward homeowners. Tenants can apply with landlord’s authorization if they qualify. Landlords can persuade their tenants to use (both events really need to agree). You might be suitable for ECO4 underneath one of several two in-fill mechanisms which can be established via the scheme. https://freeecogrants.co.uk/why-should-you-apply-for-different-types-of-home-insulation-grants-from-eco/