England and Wales: 1950-1966
rental (private)
System built, with external insulation
(another dwelling below)
Low energy lighting in 17% of fixed outlets
Flat, limited 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
Fully double glazed
double glazing installed before 2002
Stock condition survey
Cavity wall, filled cavity and external insulation
(another dwelling below)
Low energy lighting in 67% of fixed outlets
Flat, no insulation (assumed)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Fully triple glazed
triple glazing
Appliance thermostats