England and Wales: 1976-1982
marketed sale
System built, with internal insulation
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Room thermostats only
marketed sale
Cavity wall, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat