England and Wales: 1983-1990
non marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat