England and Wales: 1976-1982
RHI application
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature
RHI application
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 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