OS X (Eastings) 478800 OS Y (Northings) 178766 Nat Grid SU788787 / SU7880078766 Nearest Post Code RG10 8JY Lat (WGS84) N51:30:08 (51.50234649881864) Long (WGS84) W0:51:58 (-0.866112366797946) Lat,Long (WGS84) 51.50234649881864,-0.866112366797946 Lat (OSGB36) N51:30:07 (51.50184701789179) Long (OSGB36) W0:51:53 (-0.864590239883833) Lat,Long (OSGB36) 51.50184701789179,-0.864590239883833 what3words natively.stopwatch.staples Open Loc/Plus code 9C3XG42M+WHJ