England and Wales: 1983-1990
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
Gas boiler/circulator, no cylinder thermostat
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
ECO assessment
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
Gas boiler/circulator, no cylinder thermostat
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002