England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, no insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Mostly double glazing
double glazing installed before 2002
ECO assessment
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing, unknown install date