There was probably a wall around the cottage which had an 1844 Ordnance Survey benchmark, see http://www.bench-marks.org.uk/bm23148 . There is a closeup picture of the cottage at http://www.geograph.org.uk/photo/4736488
Uploaded to Geograph by Roger Templeman on 18 July 2015
Photo © Roger Templeman, 18 July 2015.
Licensed for reuse under this Creative Commons licence