• Aerial view of Caerphilly Castle in 1947 Caerphilly Castle in 1947, courtesy of the RCAHMW and its Coflein website.
  • The castle was built in response to the advances of Llywelyn ap Gruffudd, Prince of Wales, who was a few miles S of Caerphilly.
  • Caerphilly Castle boasts an impressive array of defensive and residential features that make it one of Britain’s most remarkable medieval castles
  • Even today, Caerphilly is the largest castle in Wales and second only to Windsor in size in all of Britain. One historian has described Caerphilly as “having the...
  • This in essence transformed Caerphilly Castle from a strong fortification to more of a residence, while still retaining the majority of the actual defensive features.
  • Caerphilly Castle is a medieval fortification, located in the center of the small town of Caerphilly, in South Wales, United Kingdom.
  • With atmospheric ruins and surrounded by vast lakes, Caerphilly provides a picturesque visit steeped in over 700 years of history. Getting to Caerphilly Castle.
  • In the 13th century Caerphilly was state-of-the-art, being one of the earliest castles to use lakes, bridges and a series of concentric fortifications for defence.
  • Caerphilly remains the South Walian jewel in the crown of our castle stock and well done to Cadw in keeping it relevant and investing in its future.
  • Architectural Marvel: Spread over 30 acres, Caerphilly Castle is the second largest castle in Britain, surpassed only by Windsor Castle.