England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Flat, no insulation (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
Full secondary glazing
secondary glazing
rental (private)
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, insulated
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Full secondary glazing
secondary glazing
Manual charge control