England and Wales: before 1900
FiT application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
RHI application
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated
Air source heat pump, underfloor, electric, Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control