England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
rental (private)
Cavity wall, filled cavity and internal insulation
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Flat, insulated
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