England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing, unknown install date
Programmer and at least two room thermostats
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Some double glazing
double glazing installed before 2002
Programmer, TRVs and bypass