England and Wales: 2003-2006
marketed sale
System built, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Flat, 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
marketed sale
System built, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 78% of fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass