England and Wales: 1930-1949
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 11% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass