England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, limited insulation (assumed)
Warm air, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 250 mm loft insulation
Warm air, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat