England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 19% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, anthracite
Solid fuel range cooker
anthracite
Room heaters, wood logs
Partial multiple glazing
not defined
Room thermostat only
RHI application
System built, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control