England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Gas multipoint
electricity (not community)
Full secondary glazing
secondary glazing
Appliance thermostats
marketed sale
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
(another dwelling above)
Electric storage heaters
Gas multipoint
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Automatic charge control