England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 90% of fixed outlets
(another dwelling above)
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system or data is from a community network
Fully double glazed
double glazing, unknown install date