England and Wales: 1900-1929
none of the above
Sandstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass