England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 250 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, unknown install date
Programmer, no room thermostat
non marketed sale
Cavity wall, filled cavity and external insulation
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 200 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
wood logs
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature