England and Wales: 1996-2002
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs