England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Cavity wall, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Roof room(s), insulated
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Fully double glazed
not defined
Time and temperature zone control