England and Wales: 1967-1975
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 200 mm loft insulation
Room heaters, electric
No system present: electric immersion assumed
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass