Heritage International School is situated on an area of 1.4 ha. The total school building area covers 7 500 square meters. The facilities include:
- Laboratories (Chemistry, Physics and Natural Sciences);
- Computer Rooms;
- Language rooms;
- Music Hall;
- Art Studio;
- Sports Hall;
- Choreographic Hall;
- School Canteen with a modern ordering and payment system;
- Sick Bay;
- Recreational Area with playground;
- Swimming pool;
- Robotics Lab (LEGO Education).
The building is designed as an all-inclusive facility and offers provisions for children with lower mobility, who use wheelchairs.
Ample parking area allows for easy drop-off and pick-up of children.