England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, warm air, electric
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Room thermostat only
marketed sale
Cavity wall, as built, insulated (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control