England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing, unknown install date
TRVs and bypass
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system, flue gas heat recovery
mains gas (not community)
Room heaters, coal
Fully double glazed
double glazing, unknown install date
TRVs and bypass