England and Wales: 1930-1949
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 42% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
Gas instantaneous at point of use
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, no room thermostat