England and Wales: 1976-1982
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Partial secondary glazing
secondary glazing
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 200 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Full secondary glazing
secondary glazing
Programmer and at least two room thermostats