England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, 200 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass