England and Wales: before 1900
rental (private)
Cavity wall, with external insulation
Suspended, no insulation (assumed)
No low energy lighting
Flat, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
assessment for green deal
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Flat, limited insulation (assumed)
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