England and Wales: 1967-1975
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 74% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Automatic charge control
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, fan coil units, electric
From main system
electricity (not community)
Room heaters, wood pellets
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass