England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 98% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
Room heaters, electric
No system present: electric immersion assumed
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Appliance thermostats