England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 94% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs