England and Wales: 1967-1975
ECO assessment
System built, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
(another dwelling above)
Community scheme
Community scheme
mains gas (community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Flat rate charging, TRVs
ECO assessment
System built, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
(another dwelling above)
Community scheme
Community scheme
mains gas (community)
High performance glazing
double, known data
Flat rate charging, TRVs