England and Wales: 2003-2006
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Sandstone or limestone, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, insulated (assumed)
Portable electric heaters assumed for most rooms
Electric instantaneous at point of use
wood logs
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature