England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 70% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
Programmer, room thermostat and TRVs
none of the above
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 70% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
Programmer, room thermostat and TRVs