England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, coal
Single glazed
not defined
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, coal
Single glazed
not defined
Programmer, room thermostat and TRVs