England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
Electric immersion, off-peak
mains gas (not community)
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
Electric immersion, off-peak
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs