England and Wales: before 1900
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, dual fuel (mineral and wood)
Electric immersion, standard tariff, plus solar
dual fuel - mineral + wood
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 91% of fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control