England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 100 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 installed before 2002
Programmer, TRVs and bypass
non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 44% of fixed outlets
Pitched, 75 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Manual charge control