England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs