England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Appliance thermostats
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002