England and Wales: 2007 onwards
marketed sale
Sandstone or limestone, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 26% of fixed outlets
Pitched, insulated (assumed)
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
FiT application
Sandstone or limestone, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 50% of fixed outlets
Roof room(s), insulated (assumed)
Ground source heat pump, underfloor, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats