England and Wales: 1930-1949
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
No time or thermostatic control of room temperature
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs