England and Wales: 2003-2006
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
marketed sale
Solid brick, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass