Fraser Bond are the leading lettings and property management agents for 37 Duke Street - London W1U. 37 Duke Street is an office building from 1960's in Marylebone, London W1. The building is waiting to be demolished. New designs by Squire and Partners. 2014 - Central Investment Properties CIP sells the building. January - Planning consent for: Demolition of upper floors of existing building and replacement with a new building rising from ground to fifth floor levels. Use of the first to fifth floor levels as residential accommodation comprising of 4x2 bed and 2x3 bed (Class C3) with associated.