England and Wales: 1930-1949
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass