England and Wales: 1950-1966
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, insulated (assumed)
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
Fully double glazed
double glazing installed before 2002
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated
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
Fully double glazed
double glazing installed during or after 2002