England and Wales: 1983-1990
marketed sale
Timber frame, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, 200 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Timber frame, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control