England and Wales: before 1900
RHI application
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
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
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats