England and Wales: before 1900
FiT application
Granite or whinstone, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
not defined
No time or thermostatic control of room temperature
FiT application
Granite or whinstone, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, insulated at rafters
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
not defined
Programmer, TRVs and bypass