England and Wales: 1967-1975
marketed sale
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs
marketed sale
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs