Space - If your house has more open vacant space in south than in north, it will lead to destruction and downfall, be it a house or an industry, or a temple or a hut. More open space in the east than in the west is auspicious; the principle holds true for more open space in the north than in the south too. Open space should be kept all around the building. The plot having road on the east-north directions is better.
Rooms - Pooja room is always best in the north-east corner or near it. Kitchen is always auspicious and best in the south-east corner. Guest room or drawing room should be in the north or west direction. Room for the watchman or guard should be near the gate in the boundary wall on the left side. Toilet should ideally be in north-west corner. In case you've a space-crunch, it may be constructed in any direction, but the seat in the toilet should be such that when using the toilet you face towards south or north only.
Bed - While sleeping head should be in the east or south. Never sleep with feet towards south or east.
Heavy stuff - Keep your heavy and permanent items in the south-west corner of the building or plot. For a happy family life place more heavy items in the rooms south-west and south-sides. On the other hand, the lighter(weightless) items should be in the north, north-east and north-west directions. TV, radio or any other entertainment device should be placed near the south-west corner.
Water tanks - Water tanks should be on the roof in the south-west direction. Never place these in north or north-east corner. Underground water tank should be built in north-east direction only. Flow of water and its outlet in the directions other than east, north-west, north-east and north causes troubles.
Interiors - Pictures and scenes of war and battles, idols/statues of demons, pictures of pig (boar), leopard, tiger, jackal, serpent, eagle, owl, pigeon, hawk, crow, and crane are inauspicious.