England and Wales: 1900-1929
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Mostly double glazing
double glazing installed during or after 2002
Programmer and at least two room thermostats
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Mostly double glazing
double glazing installed during or after 2002
Programmer and at least two room thermostats