England and Wales: 1976-1982
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, limited insulation (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Partial double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs