England and Wales: 1976-1982
none of the above
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, limited insulation (assumed)
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
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, limited insulation (assumed)
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