England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 150 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs