England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 200 mm loft insulation
Electric ceiling heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats