England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 150 mm loft insulation
Ground source heat pump, radiators, electric
From main system, plus solar
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 82% of fixed outlets
Pitched, 250 mm loft insulation
Ground source heat pump, radiators, electric
Electric immersion, off-peak, plus solar
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass