England and Wales: 1983-1990
rental (private)
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all 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
Fully double glazed
double glazing installed before 2002
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and appliance thermostats