England and Wales: 1930-1949
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
Portable electric heaters assumed for most rooms
Electric immersion, off-peak
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature