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, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, coal
Mostly double glazing
double glazing installed during or after 2002
Manual charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Manual charge control