England and Wales: 2007 onwards
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat