England and Wales: 1930-1949
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
ECO assessment
Cavity wall, with external insulation
Solid, no insulation (assumed)
No low energy lighting
Pitched, 25 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass