Aberystwyth Castle is a Grade I listed building in the Ceredigion local planning authority area, Wales. First listed on 14 September 1962. Bridge.
Aberystwyth Castle
- WRENN ID
- woven-wattle-oak
- Grade
- I
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 14 September 1962
- Type
- Bridge
- OS grid reference
- SN 579 815
- Coordinates
- 52.4133, -4.08987
- Source
- Cadw listing
Description
Aberystwyth Castle is a Grade I listed concentric walled castle with a lozenge plan, featuring a dry moat to the west and round corner towers that define the inner and outer wards. The castle is constructed from ruined coursed rubble masonry. To the east, there are remains of Porth Mawr, along with the footings of the hall located to the southwest.
To the west, the more complete inner gate tower is present, with an outer gate beyond it. The gateway features twin apsidal towers, a pointed entrance, a portcullis chase, a crenellated parapet, and a splayed stair turret to the north. The southwest end includes a dungeon, while a mural tower is situated on the south side of the inner ward.
The castle has been converted for recreational use and includes a Druid Circle from the 1916 Eisteddfod. The grounds were laid out by architect John Probart of Shrewsbury around 1800. A retaining wall to the north has a terrace below, which features a Victorian crescent-shaped 8-bay shelter supported by ornamented cast-iron columns.
Local climate
Aberystwyth Castle sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% of listed buildings. Of these, 14 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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