England and Wales: 1967-1975
non marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 77% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat