The centre of <a href="https://en.wikipedia.org/wiki/Stockley_Park" class="extiw" title="en:Stockley Park">Stockley Park</a>, in the parish of Harlington (London Borough of Hillingdon).
<a href="//commons.wikimedia.org/w/index.php?title=User:Unisouth&amp;action=edit&amp;redlink=1" class="new" title="User:Unisouth (page does not exist)">Unisouth</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>