England and Wales: 2007 onwards
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 66% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, TRVs and bypass
rental (private)
Timber frame, with additional insulation
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs