England and Wales: 1930-1949
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass