England and Wales: before 1900
marketed sale
Timber frame, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing, unknown install date
Appliance thermostats
non marketed sale
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Controls for high heat retention storage heaters