What measures can the vouchers be used for?
The vouchers cover home improvements in 2 categories: Primary Measures These cover insulation or low-carbon heating and include: solid wall insulation (internal or external) cavity wall insulation under-floor insulation (solid floor, suspended floor) loft insulation flat roof insulation pitched roof insulation room-in-roof insulation insulating a park home air-source heat pump ground-source heat pump solar thermal (liquid filled flat plate or evacuated tube collector) biomass boiler hybrid heat pump Secondary Measures These cover windows, doors and heating controls, and include: draughtproofing double or triple glazing (where replacing single glazing) secondary glazing (in addition to single glazing) energy-efficient replacement doors (replacing single-glazed [...]