A research conducted by Habitat on home smells in the UK breaks down the hierarchy of most common scents around the house,
"Researchers have identified the aromas which they claim make a house a home, with washing powder making up 34 per cent of the scent.
Freshly made toast accounts for another 22 per cent of the scent, while perfume makes up 17 per cent."...
And the result:
TOP 10 SMELLS FOUND IN THE HOME
1. Air freshener
2. Washing powder
3. Last night's dinner
4. Cleaning products
10. Sunday roast