England and Wales: 1983-1990
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, wood chips
From main system
wood chips
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
FiT application
Sandstone or limestone, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 44% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs