 Other buildings around the city had to be commandeered to absorb the overflow from the castle itself.As a result of the extended use of the castle for these purposes, the law courts at York Castle began to compete with those in London, a pattern that lasted into the 1360s.The castle eventually acquired its own mint in 1344, when Edward III decided to create a permanent mint in York Castle to produce gold and silver coins to serve the needs of the north of England.