England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
RHI application
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat