England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Portable electric heaters assumed for most rooms
Electric instantaneous at point of use
wood logs
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
No thermostatic control of room temperature
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, wood pellets
Electric immersion, off-peak, plus solar
bulk wood pellets
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs