England and Wales: 1930-1949
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Partial double glazing
double glazing installed before 2002
TRVs and bypass
ECO assessment
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass