The main castle entrance built by Edward IV in 1463-5, since extended by sections built in the late 1700's and as recently as 1936/7. Now offices of the the Town Council.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/50194168@N00">Caitlin</a> from Hertfordshire, UK
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/50194168@N00/103765515/">Hertford Castle</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Oxyman" title="User:Oxyman">oxyman</a></li></ul>