England and Wales: 1983-1990
FiT application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 65% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 65% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass