England and Wales: 1996-2002
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 14% 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 and room thermostat
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs