The Phlapphla Chaturamuk pavilion was made of wood. It was located in the north-
east of the palace. The pavilion was built on the foundations of an ancient building
belonging to the palace before the fall of Ayutthaya. The building measured 65 m long on
27 m wide and basically the structure consisted of two connected pavilions with a two-
tiered roof . The building was the residence of King Rama IV when visiting Ayutthaya
and included a throne-hall. The pavilion had six gables with different decorations based
on the King’s emblem. In 1904, this building was changed into a museum. During the
reign of King Rama VII, Phraya Boran Rachathanin repaired the pavilion. The whole
structure was broken down and rebuilt with new material. The shape of the building was
slightly changed. The height of the pavilion was raised two meters. The old gables were
ruined and were replaced with gables consisting of wooden sculptures.