England and Wales: 1967-1975
non marketed sale
System built, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
non marketed sale
System built, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs