England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Gas instantaneous at point of use
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Room thermostat only
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass