England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Single glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Single glazed
not defined
Programmer, TRVs and bypass