England and Wales: before 1900
ECO assessment
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Solid brick, with external insulation
To unheated space, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass