6 Charles Street London W1J 5DG
External alterations to 6 Charles Street and 1 Hay's Mews including extension to the existing lift shaft, to now serve the mansard roof level extension; extension of the closet wing of 6 Charles Street, including the party wall to 7 Charles Street, by 960mm, to provide a usable internal ceiling height; Moving the internal mews lightwell wall south by 150 mm to ensure suitable internal staircase and landing widths; and replacement of the existing balustrade to the rear balcony of 6 Charles Street. (Linked with 23/03258/LBC)