England and Wales: 1983-1990
rental (private)
Cavity wall, as built, insulated (assumed)
Solid, 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)
Portable electric heaters (assumed)
Full secondary glazing
secondary glazing
Manual charge control
rental
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully triple glazed
triple glazing
Automatic charge control