OS X (Eastings) 400174 OS Y (Northings) 161244 Nat Grid SU001612 / SU0017461244 Nearest Post Code SN10 1DB Lat (WGS84) N51:21:01 (51.350274092321136) Long (WGS84) W1:59:56 (-1.9988881567342764) Lat,Long (WGS84) 51.350274092321136,-1.9988881567342764 Lat (OSGB36) N51:20:59 (51.34977360372247) Long (OSGB36) W1:59:51 (-1.9975012214347134) Lat,Long (OSGB36) 51.34977360372247,-1.9975012214347134 what3words people.catapult.likely Open Loc/Plus code 9C3W9222+4C5