England and Wales: 1983-1990
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Flat, insulated (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Flat, insulated (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Controls for high heat retention storage heaters