England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Roof room(s), limited insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Roof room(s), limited insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs