Marylebone Square tops out as sales hit halfway mark

85% of residences at the developer’s flagship London scheme have now been sold

Grandiose five-bed at the world’s first standalone Four Seasons Private Residences has been curated ‘as if it were a gallery’

15 ‘best-in-class’ residences between the Mandarin Oriental and the Berkeley Hotel are expected to draw buyers ‘from the four corners of the globe’