England and Wales: 1976-1982
rental (social)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 80% of fixed outlets
(another dwelling above)
Room heaters, mains gas
Electric immersion, off-peak
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
rental
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
No system present: electric heaters assumed
Electric immersion, standard tariff
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