England and Wales: 2007-2011
marketed sale
Cavity wall, filled cavity
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)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control