The footprint runs the full width of the building, with uninterrupted views that take in the River Thames, the Houses of Parliament and Big Ben. Access is via a private key-operated lift, which opens directly onto the sixth floor. Here, a secure shared entrance hall, lined with artwork, forms a quiet and considered point of arrival, more akin to a private gallery than a conventional corridor. The sense of having an entire floor to oneself is immediate. Inside, the apartment has been comprehen...