England and Wales: 1967-1975
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 75 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing, unknown install date
Manual charge control
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat