England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer and room thermostat
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Roof room(s), no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat