England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
Stock condition survey
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat