England and Wales: 2007 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 21% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Timber frame, as built, insulated (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Air source heat pump, warm air, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
No time or thermostatic control of room temperature