England and Wales: before 1900
FiT application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, electric
Fully double glazed
double glazing installed before 2002
TRVs and bypass
none of the above
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, electric
Fully double glazed
double glazing installed before 2002
TRVs and bypass