England and Wales: before 1900
RHI application
Timber frame, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 50% of fixed outlets
Pitched, insulated
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
RHI application
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 90% of fixed outlets
Pitched, insulated
Ground 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