England and Wales: 2007 onwards
marketed sale
Timber frame, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats