Swansea Castle

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Swansea castle


Swansea Castle.DSC00521.JPG
Swansea Castle
Location: 51°37’13"N, 3°56’28"W
City: Swansea
Condition: Ruined

Swansea Castle stands a noble ruin in the City of Swansea in Glamorgan. The castle was founded by Henry de Beaumont, 1st Earl of Warwick in 1106 as his seat of government for the Lordship of Gower.


The original castle seems to have been a sub-rectangular/oval enclosure overlooking the River Tawe on the east, surrounded on the north, west and south sides by a larger sub-rectangular outer bailey. The inner bailey probably contained a motte but the other view is that it was a ring work. The new castle was attacked by the Prince of Deheubarth in 1116 but the inner castle held.

Swansea Castle

After various other unsuccessful attacks the castle fell in 1217 but was restored to the English in 1220 as part of the settlement between Prince Llywelyn ap Iorwerth and King Henry III. Immediately after this the inner castle was probably walled in stone with at least one tower.

Swansea Castle in 1786

Later in the 13th century the large outer bailey was also walled. The only visible remains are two sides of a rectangular "new castle" built in the southeast corner of the outer bailey in the late 13th or early 14th century. The south face (which ends in a tall garderobe tower) is capped with an elegant series of arcades at the wall-head, which are similar to structures at the palaces of the Bishop of St David's at Lamphey and St David's.

By the middle of the Middle Ages the castle had lost its military importance. It is not known whether it fell to allies of Owain Glyndŵr early in the 15th century.

In the 18th and 19th centuries parts of the castle were variously used as a market, a town hall, a drill hall and a prison.

The castle today

Part of the interior of the new castle was demolished early in the 20th century in the construction of a newspaper office. The remains have now been consolidated and opened up to view from the street.

Outside links

("Wikimedia Commons" has material
about Swansea Castle)


  • See generally B Morris, Swansea Castle; RCAHMW, Glamorgan, Vol III, part (1b), The Later Castles (2000)