England and Wales: 1983-1990
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing installed before 2002
Manual charge control
ECO assessment
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
High performance glazing
double, known data
Manual charge control