England and Wales: before 1900
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing, unknown install date