England and Wales: 1967-1975
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 350 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, LPG
Fully double glazed
double glazing, unknown install date
Automatic charge control
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Manual charge control