England and Wales: before 1900
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, no insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Appliance thermostats
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass