England and Wales: 1967-1975
non marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
(another dwelling above)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
(another dwelling above)
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system or data is from a community network
Room heaters, electric
Fully double glazed
double glazing, unknown install date