England and Wales: 1996-2002
RHI application
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Cavity wall, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control