England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Manual charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs