England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 20% 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
Some double glazing
double glazing, unknown install date
rental (private)
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and appliance thermostats