England and Wales: 1967-1975
none of the above
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Room thermostat only
rental (private)
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs