England and Wales: 1950-1966
marketed sale
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
none of the above
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, electric
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass