Newcastle Emlyn Castle is a Grade I listed building in the Carmarthenshire local planning authority area, Wales. First listed on 5 August 1991. A Medieval Castle.

Newcastle Emlyn Castle

WRENN ID
watchful-spandrel-kestrel
Grade
I
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
5 August 1991
Type
Castle
Period
Medieval
OS grid reference
SN 311 407
Coordinates
52.03915, -4.46337
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Newcastle Emlyn Castle features a twin-towered gatehouse that rises approximately 8 meters high, making it the best-preserved part of the castle's masonry. To the south, there is a section of a corner tower alongside a stretch of curtain wall. To the north of the gatehouse, there is an additional stretch of curtain wall that includes a corner turret and a garderobe chute.

Local climate

Newcastle Emlyn Castle sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% 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 24 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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
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  • 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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