England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Automatic charge control
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass