England and Wales: before 1900
non marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed before 2002
Manual charge control
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, no insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
Automatic charge control