England and Wales: before 1900
RHI application
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 48% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, wood logs
Electric immersion, off-peak, plus solar
wood logs
Mostly secondary glazing
secondary glazing
No thermostatic control of room temperature
RHI application
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 48% of fixed outlets
Pitched, 300 mm loft insulation
Room heaters, wood logs
Electric immersion, off-peak, plus solar
wood logs
Mostly secondary glazing
secondary glazing
No thermostatic control of room temperature