England and Wales: 1900-1929
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass
marketed sale
Sandstone or limestone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs