England and Wales: 1930-1949
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Fully double glazed
double glazing installed before 2002
TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
TRVs and bypass