England and Wales: before 1900
none of the above
Sandstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
TRVs and bypass
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, insulated at rafters
Room heaters, dual fuel (mineral and wood)
Electric immersion, off-peak
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
No thermostatic control of room temperature