England and Wales: before 1900
marketed sale
Timber frame, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, 25 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Single glazed
not defined
rental (private)
Timber frame, with additional insulation
(another dwelling below)
Low energy lighting in 71% of fixed outlets
Pitched, 250 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Single glazed
not defined
Programmer and room thermostat