England and Wales: 1967-1975
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
(another dwelling above)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass