Royal Mint plant for striking. This first phase of the mint was officially opened on 17 December 1968 by the royal attendance of Queen Elizabeth II, Prince Philip and their son Prince Charles. Originally there were fears that the Royal family would face protests because of the Investiture of Prince Charles as the Prince of Wales; however, such protests failed to materialise. The second phase of construction began in 1973 and included the addition of a means to mint coins from virgin metals completing the full minting process. Upon completion the final cost for the land, buildings and plant came to £8
Royal Mint Court before becoming a mint in 1809. After the mint relocated, the site was redeveloped with a new office and residential block added to the complex alongside the two remaining Grade II listed mint buildings. As of 2017, Royal Mint Court is again set to be re-developed with plans for a new office, shopping and leisure complex. Planning permission was approved in July 2016. In 1349 during the Black Death the site became a plague cemetery known as the "Churchyard of the Holy Trinity" where three mass burial trenches and 14 grave rows were dug alongside a small chapel. During excavation