England and Wales: 1930-1949
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass