England and Wales: 1900-1929
ECO assessment
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system, plus solar
dual fuel - mineral + wood
Fully double glazed
double glazing installed before 2002
TRVs and bypass
ECO assessment
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Fully double glazed
double glazing installed before 2002
TRVs and bypass