Triptych Bankside Southwark SE1 Timeline News and progress updates from Triptych Bankside new development in Southwark SE1 Post a new milestone Hong Kong Exhibition for Triptych Bankside development on 22nd and 23rd June 2019. Contact Savills for details savills.com.hk. 14/06/2019 by Buildington 185 Park Street mixed-use development next to Tate Modern in Bankside, London SE1 - new on Buildington! 21/12/2016 by Buildington