England and Wales: 2007-2011
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
rental
Timber frame, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 64% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system, flue gas heat recovery
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs