England and Wales: 1967-1975
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 25 mm loft 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
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 25 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, off-peak
wood logs
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature