England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Single glazed
not defined
Manual charge control
marketed sale
Cavity wall, as built, insulated (assumed)
To external air, no insulation (assumed)
No low energy lighting
Pitched, 75 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Manual charge control