England and Wales: 1900-1929
rental (private)
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Automatic charge control
rental (private)
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002