England and Wales: 1930-1949
FiT application
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass