England and Wales: 1983-1990
FiT application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs