England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
(another dwelling above)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing, unknown install date
Appliance thermostats
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 33% of fixed outlets
(another dwelling above)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing, unknown install date
Appliance thermostats