England and Wales: 1950-1966
non marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat