England and Wales: 2003-2006
RHI application
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Cavity wall, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 91% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control