Mandarin Oriental Mayfair Mayfair W1S Timeline News and progress updates from Mandarin Oriental Mayfair new development in Mayfair W1S Post a new milestone Nearing completion The Residences Mandarin Oriental development on Hanover Square is nearing completion. BECK Interiors is currently on site for the fit-out works. You could be moving... 16/06/2022 by Buildington New photos New photos of The Residences Mandarin Oriental London Mayfair development under construction on Hanover Square. 19/11/2019 by Buildington New appointment ISG has secured a £50 million project with Clivedale London to deliver the shell and core construction of The Residences at Mandarin Oriental Mayfair. 18/03/2019 by Buildington Westminster Council's Planning Committee is considering granting permission for the new plans of the redevelopment at 22 Hanover Square in a meeting today. For details... 14/02/2017 by Buildington 22 Hanover Square in Mayfair, London W1 - new on Buildington! 15/03/2016 by Buildington