England and Wales: 1983-1990
FiT application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
RHI application
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 300 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, off-peak
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Fully triple glazed
triple glazing
No thermostatic control of room temperature