England and Wales: 1967-1975
not sale or rental
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 25 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, smokeless fuel
Mostly secondary glazing
secondary glazing
Manual charge control
not sale or rental
Timber frame, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Manual charge control