OS X (Eastings) 400434 OS Y (Northings) 161626 Nat Grid SU004616 / SU0043461626 Nearest Post Code SN10 1HU Lat (WGS84) N51:21:13 (51.35370883232011) Long (WGS84) W1:59:43 (-1.9951544343382923) Lat,Long (WGS84) 51.35370883232011,-1.9951544343382923 Lat (OSGB36) N51:21:12 (51.353208689481505) Long (OSGB36) W1:59:38 (-1.9937669483132154) Lat,Long (OSGB36) 51.353208689481505,-1.9937669483132154 what3words dealings.fattest.proves Open Loc/Plus code 9C3W9233+FWQ