England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 8% of fixed outlets
Pitched, insulated (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
Solid brick, as built, insulated (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, electric
From main system
electricity (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs