Caerphilly Castle is the second largest castle in Britain. Not only does it have a magnificent moat and an impressive fourteenth-century great hall but it is also fully equipped with modern catering facilities. The Great Hall is available for civil ceremonies and receptions. The Great Hall holds a maximum of 200 people. For a formal seated function, a maximum of 150 is recommended. Once the booking has been secured, you will be able to make your own catering arrangements.