England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass