England and Wales: 1996-2002
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
No low energy lighting
Roof room(s), insulated (assumed)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Partial double glazing
double glazing installed before 2002