England and Wales: 2003-2006
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 15% of fixed outlets
Flat, insulated (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Fully triple glazed
triple glazing
Programmer and at least two room thermostats