England and Wales: 1950-1966
none of the above
System built, with external insulation
(another dwelling below)
Low energy lighting in 50% of 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
Manual charge control
rental (social)
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 25% of fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats