England and Wales: 1983-1990
marketed sale
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 75 mm loft insulation
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
ECO assessment
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats