England and Wales: 1950-1966
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control