England and Wales: 1967-1975
marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Flat, limited insulation (assumed)
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
rental
System built, with external insulation
(another dwelling below)
Low energy lighting in 80% of fixed outlets
Flat, limited insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Automatic charge control