20 St James's Square St James's Square SW1Y Timeline News and progress updates from 20 St James's Square new development in St James's Square SW1Y Post a new milestone February 2024 progress update in photos New photos of Quinn London transforming the Grade I listed building at 20 St James's Square into 13,000 HQ offices. 22/02/2024 by Buildington Planning permission granted Westminster Council has granted planning permission for partial demolition at roof level and creation of an extended fourth floor with extended lift and stair core,... 22/07/2022 by Buildington Planning permission for separating No.20 from No 21 St James's Square Westminster Council has granted planning permission for separating No.20 St James's Square from No.21 St James's Square. 03/05/2016 by Buildington
