England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 11% of fixed outlets
Pitched, 200 mm loft insulation
Room heaters, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, smokeless fuel
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature