England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Roof room(s), insulated
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control