England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 42% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
non marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
not defined
Programmer, room thermostat and TRVs