The plinth area of a building is measured at which level?

Explanation:

 (as per IS 3861:2002 – Method of Measurement of Plinth, Carpet, and Rentable Areas of Buildings):

• According to IS 3861:2002, the plinth area of a building is defined as the built-up covered area measured at the floor level of the basement or any storey.

• In common construction practice, it is measured at the floor level of the ground floor, which is the finished floor level of the building.

Additional Information.

1. Top of the damp-proof course

   • It is a moisture barrier just above the ground level.

2. Mid-level of the foundation

   • The foundation level is beneath the ground and not the reference point for measuring plinth area.

3. Top of the plinth

   • The top of the plinth refers to the level at the top of the foundation wall or base, but the plinth area measurement is considered at the top of the damp-proof course.