England and Wales: 1983-1990
marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, insulated (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing installed before 2002
Manual charge control
ECO assessment
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, limited insulation
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 during or after 2002