England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Time and temperature zone control
marketed sale
Sandstone or limestone, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Time and temperature zone control