England and Wales: 1950-1966
ECO assessment
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 71% of fixed outlets
Flat, no insulation (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
marketed sale
System built, with external insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system or data is from a community network
Fully double glazed
double glazing installed during or after 2002