England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Room thermostat only
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Room thermostat only