Mamluk Residences: The spreading of the Qa`a model.
The Palace of Amir Alin Aq (1293): Built on the Darb al-Ahmar, the ceremonial road leading from the Bab Zuwaila in al-Qahira up to the Citadel. Its main qa`a is among the most monumental halls with two iwans.
The Ablaq Palace (1311): The most famous of al-Nasir Muhammad's palaces at the Citadel, it had four two-iwan qa`as arranged in a row and overlooking the city.
The Palace of Amir Qawsun (1333-36): Perhaps the most elaborate of princely palaces, it was built across the Citadel by order of al-Nasir Muhammad. Its main qa`a has a cross-axial four-iwan plan.
The Palace of Amir Bashtak (1339): Built in the heart of Fatimid al- Qahira on the site of the Eastern Palace, Its main qa`a has a two-iwan plan.
The Qa`a of Muhib al-Din (1350): A rare example of a merchant dwelling off the central artery (the old Fatimid avenue) in al-Qahira.
Mushrabiyya: Wooden screen made of intricate geometric lattice work, usually used in Cairene houses both as a decorative element and to reduce the glare of direct sun and to provide the inhabitants with a view to the outside without being seen.