According to Vastu Staircase should be constructed on the southwest, or if necessary, on the south or west sides of the house. Do not build stairs on the northeast side, as it will cause loss of wealth.
The staircase should go up from east to west or north to south. The same staircase that goes to the upper floor should not also go down to the basement.
Total number of stairs should be odd number. Because it is best to begin climbing steps with the right foot and also to end the climb on the right foot.
The right foot is equated with gain, the left with loss.
Broken stairs should be repaired immediately to avoid accidents.The stairway should be painted a light colors. The worship room, safe, or toilet should not be made under a staircase.