England and Wales: 2003-2006
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 39% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control