Marble Arch Apartments Marylebone W1H Timeline News and progress updates from Marble Arch Apartments new development in Marylebone W1H Post a new milestone Plans approved Planning permission is granted for the erection of a single storey roof extension to provide eight additional residential units (Class C3) (2 x 1-bed, 3 x 2-bed and 3 x... 19/12/2019 by Buildington