England and Wales: 1983-1990
none of the above
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 200 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats
rental
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass