England and Wales: before 1900
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Air source heat pump, radiators, electric, Boiler and radiators, mains gas
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), limited insulation
Air source heat pump, radiators, electric, Boiler and radiators, mains gas
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control