England and Wales: 1930-1949
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood pellets
From main system, no cylinder thermostat
bulk wood pellets
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood pellets
From main system, no cylinder thermostat
bulk wood pellets
Room heaters, wood logs
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs