England and Wales: 1930-1949
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, no insulation (assumed)
Boiler and underfloor heating, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Some double glazing
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Cavity wall, with internal insulation
Solid, insulated
Low energy lighting in 92% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Some double glazing
double glazing installed during or after 2002
Time and temperature zone control