England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, 100 mm loft insulation
Warm air, Electricaire
Electric immersion, off-peak
electricity (not community)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 200 mm loft insulation
Warm air, Electricaire
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Mostly multiple glazing
not defined
Room thermostat only