England and Wales: 1983-1990
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Roof room(s), ceiling insulated
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing installed before 2002
Manual charge control
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, electric
From main system
electricity (not community)
Some double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs