England and Wales: 1930-1949
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 250 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