England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 91% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Roof room(s), limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
Programmer and room thermostat