Primarily Basement should be built in Northern or Eastern direction of House as according to Vaastu Principles there should be more space in East or North than South or West.
The Purpose of basement should be either for storage orother things rather than living.
Place all the junk stuff including heavy equipments in the Southern & Western direction.
About 1/4th of area of basement should be above ground.
Proper Height of basement should 9 feet.
Heavy Stuff must not be kept in North or East of the basement.
