England and Wales: before 1900
FiT application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 21% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass
FiT application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs