England and Wales: 1967-1975
non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 14% 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
Mostly double glazing
double glazing installed before 2002
Programmer and room thermostat