111 Cannon Street EC4N Timeline News and progress updates from 111 Cannon Street new development in EC4N Post a new milestone Bennett Construction has recently commenced on site at 111 Cannon Street in London. Works started in March 2017 and are expected to complete in August 2018. ... 15/05/2017 by Buildington 111 Cannon Street development in the City of London EC4 - new on Buildington! 29/12/2016 by Buildington