England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, smokeless fuel
Mostly double glazing
double glazing, unknown install date
Time and temperature zone control
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, smokeless fuel
Mostly double glazing
double glazing, unknown install date
Time and temperature zone control