OS X (Eastings) 415121 OS Y (Northings) 184996 Nat Grid SU151849 / SU1512184996 Nearest Post Code SN1 1EA Lat (WGS84) N51:33:49 (51.56364126275692) Long (WGS84) W1:46:60 (-1.783254842381108) Lat,Long (WGS84) 51.56364126275692,-1.783254842381108 Lat (OSGB36) N51:33:47 (51.563162469108384) Long (OSGB36) W1:46:55 (-1.7818354122704245) Lat,Long (OSGB36) 51.563162469108384,-1.7818354122704245 what3words bricks.handle.solved Open Loc/Plus code 9C3WH678+FM5