England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, fan coil units, electric
From main system
electricity (not community)
Room heaters, electric
High performance glazing
double, known data
Time and temperature zone control
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control