England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 150 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
rental (social)
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 18% of fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, radiators, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass