Access gate to the Piccadilly Line track at Down Street. This door opens directly onto the tube line and is at the edge of the old platform. The remainder of the platform was bricked off.
<a href="//commons.wikimedia.org/wiki/User:Andrew_Gray" title="User:Andrew Gray">Andrew Gray</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>