England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 350 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Manual charge control
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 400 mm loft insulation
Air source heat pump, warm air, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat