England and Wales: 2007 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 67% of fixed outlets
Flat, insulated (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 67% of fixed outlets
Flat, insulated (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control