On either side of the entrance gate the walls curve inward, showing that at one time there were supposed to be two round towers built into the gatehouse.
It is unknown whether these were ever built.

The chapel (on the second floor of the chapel block) has 14th century traceried windows.
According to local tradition the chapel was built under the direction of Aline de Mowbray.

Remnants of an ornate medieval painting dating back to the 14th century have recently been found in the chapel.
The surviving painting is thought to be over 700 years old and was spotted during conservation work in the historic attraction's chapel area.
Exposure to the elements has taken its toll on the painting over time but expert Cadw analysis suggests it's a double-arched canopy that contains the figures of angels.
Some of the clear elements of the painting that remain include a wing with multiple feathers and circular shapes that form a head with yellow hair surrounded by a nimbus.
It's thought the painting is both highly important and testimony to the original design of the chapel attributed to Alina de Breos in the early 14th century that once formed part of a larger work of art.
On either side of the entrance gate the walls curve inward, showing that at one time there were supposed to be two round towers built into the gatehouse. It is unknown whether these were ever built.
The chapel (on the second floor of the chapel block) has 14th century traceried windows. According to local tradition the chapel was built under the direction of Aline de Mowbray.
Remnants of an ornate medieval painting dating back to the 14th century have recently been found in the chapel. The surviving painting is thought to be over 700 years old and was spotted during conservation work in the historic attraction's chapel area. Exposure to the elements has taken its toll on the painting over time but expert Cadw analysis suggests it's a double-arched canopy that contains the figures of angels. Some of the clear elements of the painting that remain include a wing with multiple feathers and circular shapes that form a head with yellow hair surrounded by a nimbus. It's thought the painting is both highly important and testimony to the original design of the chapel attributed to Alina de Breos in the early 14th century that once formed part of a larger work of art.
Oystermouth Castle