England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly multiple glazing
not defined
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass