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:

• Classrooms;
• Laboratories (Chemistry, Physics and Natural Sciences);
• Computer Rooms;
• Language rooms;
• Music Hall;
• Art Studio;
• Library;
• 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.