England and Wales: before 1900
rental (private)
Granite or whinstone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed during or after 2002
rental (social)
Granite or whinstone, with internal insulation
(another dwelling below)
Low energy lighting in 57% of fixed outlets
Pitched, 200 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing, unknown install date
Appliance thermostats