England and Wales: 2003-2006
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 81% of fixed outlets
Pitched, 250 mm loft insulation
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