England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 19% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, LPG
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 82% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass