England and Wales: 1967-1975
marketed sale
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, wood logs
Mostly double glazing
not defined
Automatic charge control
marketed sale
Timber frame, with additional insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Appliance thermostats