England and Wales: 1967-1975
none of the above
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing, unknown install date
No time or thermostatic control of room temperature