The main façade of the Grandmaster's Palace is built in the simple and austere Mannerist style, typical of its architect Cassar. The façade is asymmetrical due to the extensive alterations carried out to the building over the centuries, and it has heavy rustications at the corners along with an uninterrupted cornice at roof level.
The main entrance of the Grandmaster's Palace features a plain and unpretentious Mannerist design, typical of Cassar. The façade is uneven due to the numerous changes made over time, and it boasts substantial ornamentation at the corners, accompanied by a continuous cornice at the roof.