England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs