England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
Electric heat pump for water heating only
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, radiators, electric
Electric heat pump for water heating only
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control