England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
No time or thermostatic control of room temperature
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs