England and Wales: 1950-1966
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass