England and Wales: 2003-2006
marketed sale
Timber frame, as built, insulated (assumed)
(another dwelling below)
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats
marketed sale
Timber frame, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 89% of fixed outlets
Pitched, 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
Programmer and at least two room thermostats