OS X (Eastings) 515739 OS Y (Northings) 171473 Nat Grid TQ157714 / TQ1573971473 Nearest Post Code TW11 8LN Lat (WGS84) N51:25:50 (51.43045017370675) Long (WGS84) W0:20:11 (-0.3365169302340769) Lat,Long (WGS84) 51.43045017370675,-0.3365169302340769 Lat (OSGB36) N51:25:48 (51.429934156985745) Long (OSGB36) W0:20:06 (-0.334937303762328) Lat,Long (OSGB36) 51.429934156985745,-0.334937303762328 what3words island.driven.costs Open Loc/Plus code 9C3XCMJ7+59Q