England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
rental (social)
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 250 mm loft insulation
Ground source heat pump, radiators, electric
Electric immersion, off-peak, plus solar
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass