England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, insulated (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Room thermostats only
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass