England and Wales: before 1900
RHI 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
Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control
FiT application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 96% of fixed outlets
Pitched, 300 mm loft insulation
Ground 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