England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Some secondary glazing
secondary glazing
Programmer and room thermostat
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Some secondary glazing
secondary glazing
Programmer and room thermostat