England and Wales: 1900-1929
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, off-peak
electricity (not community)
Full secondary glazing
secondary glazing
rental
Timber frame, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
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
Single glazed
not defined