England and Wales: 1900-1929
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 80% of fixed outlets
(another dwelling above)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, coal
Some double glazing
double glazing, unknown install date
Manual charge control
rental
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
(another dwelling above)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing, unknown install date
Automatic charge control