England and Wales: before 1900
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(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
Some double glazing
double glazing, unknown install date
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Partial double glazing
double glazing, unknown install date
Appliance thermostats