England and Wales: 2007-2011
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control