England and Wales: 1967-1975
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, limited insulation (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
High performance glazing
double, known data
Time and temperature zone control