England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
Electric instantaneous at point of use, plus solar
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat