England and Wales: 1950-1966
none of the above
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Flat, limited insulation (assumed)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
rental
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Automatic charge control