England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 48% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 48% 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 during or after 2002
Programmer, TRVs and bypass