England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
TRVs and bypass
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 50 mm loft insulation
Air source heat pump, radiators, electric
From main system, no cylinder thermostat
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Time and temperature zone control