England and Wales: 2007-2011
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Boiler and underfloor heating, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
RHI application
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 22% of fixed outlets
Roof room(s), insulated (assumed)
Air 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