England and Wales: 2012 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Timber frame, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs