Marlborough House Chiswick W4 Timeline News and progress updates from Marlborough House new development in Chiswick W4 Post a new milestone Launching in January 2024! Marlborough House in Chiswick is launching in January 2024!Brand new studios and one-bedroom apartments in the former Harvey Nichols headquarters building near Chiswick... 08/01/2024 by Buildington Planning permission granted Hounslow Council has granted permission for the redevelopment of the office building at 361-365 Chiswick High Road. 30/09/2021 by Buildington