England and Wales: 1967-1975
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 300 mm loft insulation
Electric ceiling heating, radiators, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, LPG
Fully double glazed
double glazing installed during or after 2002
Temperature zone control
non marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters, Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Full secondary glazing
secondary glazing
Manual charge control