Scheme Duration: ECO4 grant is on the market until 2026, time is in the essence to take advantage of this free financial assistance. In-fill flats can acquire Strong Wall insulation, district heating procedure link or cavity wall insulation. In-fill houses can receive reliable wall insulation or district heating system relationship. https://freeecogrants.co.uk/how-does-an-agency-help-in-improving-your-property-after-receiving-eco-grants/