England and Wales: 1983-1990
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 50% of fixed outlets
(another dwelling above)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 40% of fixed outlets
(another dwelling above)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Appliance thermostats