Looks like a station building and has signage over the door, but this does not appear to be in use. The &lt;a href="<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/55935853@N00/8660448522/">https://www.flickr.com/photos/55935853@N00/8660448522/</a>"&gt;regular entrance&lt;/a&gt; is just to the south, straight off the street.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/55935853@N00">Ewan Munro</a> from London, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/55935853@N00/8660448408/">Kensington (Olympia) station old entrance</a>