England and Wales: 1950-1966
marketed sale
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 58% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
assessment for green deal
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 44% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs