England and Wales: 1996-2002
marketed sale
Cavity wall, filled cavity and internal insulation
Solid, insulated
Low energy lighting in 44% of fixed outlets
Pitched, insulated at rafters
Air source heat pump, underfloor, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
non marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs