England and Wales: before 1900
assessment for green deal
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
Community scheme
Community scheme
mains gas (community)
Fully double glazed
double glazing installed before 2002
Flat rate charging, TRVs
assessment for green deal
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002