England and Wales: before 1900
RHI application
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer and at least two room thermostats
FiT application
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, TRVs and bypass