England and Wales: 1950-1966
none of the above
System built, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, limited insulation (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Mostly double glazing
double glazing installed before 2002
Appliance thermostats
marketed sale
Timber frame, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 43% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and appliance thermostats