Royal Mint Court the 1960s little of the original mint remained apart from the Smirke building and gatehouses. The Royal Mint was based at the site until 1967, when it began moving to its current site in Llantrisant, Wales. Minting ceased at Royal Mint Court in 1975. Two new office buildings were constructed on the site in the 1980s. Designed by Sheppard Robson, they were subsequently known as Murray House and Dexter House. This brought the site's total office space to 460,000 square feet. After the Mint vacated the Murray House building on the site it was used as commercial offices by Barclays
Royal Mint he persuaded the Royal Mint to allow him to experiment with the alloy and was ultimately able to produce 167,539 gold sovereigns. On a second occasion in 1868, it was again discovered that gold coins, this time totalling £500,000 worth, were being produced with inferior gold. Although the standard practise at the mint was for rejected coins (known as brockages) to be melted down, many entered general circulation and the mint was forced to return thousands of ounces of gold to the Bank of England. Although Ansell offered to re-melt the substandard coins, his offer was rejected causing a row