England and Wales: before 1900
RHI application
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in 56% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
FiT application
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in 58% of fixed outlets
Pitched, insulated
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control