England and Wales: 2007-2011
marketed sale
Solid brick, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas, Electric underfloor heating
From main system
mains gas (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed during or after 2002
Time and temperature zone control