England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
Low energy lighting in 69% of fixed outlets
Pitched, 50 mm loft insulation
Electric storage heaters
From main system, no cylinder thermostat
electricity (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Manual charge control
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
Low energy lighting in 69% of fixed outlets
Pitched, 50 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Manual charge control