England and Wales: 1983-1990
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 50 mm loft insulation
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 27% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
not defined
Programmer and room thermostat