England and Wales: before 1900
marketed sale
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 200 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
Fully double glazed
double glazing installed during or after 2002
non marketed sale
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 270 mm loft insulation
Room heaters, smokeless fuel
Electric immersion, standard tariff
smokeless coal
Room heaters, electric
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature