England and Wales: 1967-1975
FiT application
Granite or whinstone, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
FiT application
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
Electric immersion, standard tariff
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass