England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
No low energy lighting
Pitched, no insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
No low energy lighting
Pitched, no insulation
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed during or after 2002