England and Wales: 1967-1975
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass