OS Bench Mark
Introduction
The photograph on this page of OS Bench Mark by Phil Johnstone 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: © Phil Johnstone Taken: 10 Nov 2021
OS cut bench mark from the 19th century levelling, on garden wall of No.19 Northumberland Street. 21.73 feet above datum. The house is currently undergoing renovation so the BM may not survive much longer.