England and Wales: 1950-1966
ECO assessment
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 29% of fixed outlets
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
ECO assessment
System built, with external insulation
(another dwelling below)
Low energy lighting in 29% of fixed outlets
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