England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 350 mm loft insulation
Boiler and radiators, oil
Electric immersion, off-peak
oil (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs