England and Wales: 1967-1975
marketed sale
Timber frame, as built, no insulation (assumed)
(other premises below)
No low energy lighting
Flat, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
Manual charge control
rental
Timber frame, with additional insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, insulated
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control