England and Wales: 1900-1929
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass