England and Wales: 1967-1975
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 400 mm loft insulation
Room heaters, wood logs
Electric immersion, standard tariff
wood logs
Fully double glazed
double glazing installed during or after 2002
Appliance thermostats
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, wood pellets
From main system, plus solar
bulk wood pellets
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control