England and Wales: 1983-1990
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 10% of fixed outlets
Flat, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed during or after 2002
Manual charge control
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Manual charge control