England and Wales: 1900-1929
rental (private)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Some double glazing
double glazing installed during or after 2002
Appliance thermostats
rental
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Controls for high heat retention storage heaters