England and Wales: 1950-1966
marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
Flat, limited insulation (assumed)
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
ECO assessment
System built, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Flat, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002