They don't make artillery in the arsenal any more, and the site is being redeveloped and includes new housing; some of the building are listed, though, and Mr Monkey admired the Main Guardhouse, originally built in 1788, and the Dial Square Ranges - one of the original Royal Gun Factories - built by Hawksmoor, between 1717 and 1720.
Copyright Rik Shepherd and Mr Monkey.