Made entirely of marble, granite, and wood, the entrance hall is . Elaborately carved doors open into a circular room topped by a glass cupola. Marble statues of Isolt and James stand tall beside the grand entrance doors. Wooden stairs lead to the floors above and a circular balcony overlooking the hall where student have a front row seat to the Sorting Ceremony. In the center of the room, the Gordian Knot is etched into the floor. New students are directed to stand in its center, where the symbol is enchanted to react when their House has been chosen.