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Glass Walkway to a Framed View
Oystermouth Circle
Oystermouth Walkway
Oystermouth View Under Balcony
Oystermouth Castle

Closed to the public due to its designation as a dangerous structure, DSA were appointed by the City & County of Swansea to undertake a scheme to repair this Scheduled Ancient Monument and Grade 1 listed building, and provide new facilities to maximise public access to both the castle and its surrounding park. The resulting £3.6m scheme was completed in 4 phases over 3 years to maintain public access to the monument whilst they were being carried out and accord with available funding, completion of phase 4 being achieved in Autumn 2012.


New visitor facilities are primarily situated within the oldest and most significant part of the castle, these including: 

  • 2 bespoke 'pods' to provide commercial and ticketing facilities. Prefabricated offsite to enable the components to fit through an original C12th doorway, this approach also ensured potential damage to the monument during construction was reduced.  

  • A contemporary glass walkway at the top of the 4 storey keep, this clearly modern structure reinterpreting the layout of the Chapel originally located in this area. 


All designs were evolved in conjunction with the ‘Friends of Oystermouth’, a voluntary group that runs the castle, in addition to extensive consultations with the local community, business groups, amenity societies and Cadw via exhibition and open meetings. Scheduled Monument Consent for the alterations was subsequently successfully determined within 10 weeks.

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