England and Wales: before 1900
rental (private)
Timber frame, as built, no insulation (assumed)
Suspended, insulated
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
Fully double glazed
double glazing installed during or after 2002
rental (private)
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats