England and Wales: 1900-1929
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002