No!
Introduction
The photograph on this page of No! by Richard Webb as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Richard Webb Taken: 16 Jun 2009
A pair of NO-tices at Queensland Court. "No Loitering" is somewhat old fashioned, I have not seen that particular delight for many years.