OS X (Eastings) 501700 OS Y (Northings) 203700 Nat Grid TL017037 / TL0170003700 Nearest Post Code HP3 0LU Lat (WGS84) N51:43:22 (51.7228100629656) Long (WGS84) W0:31:45 (-0.5290668252274491) Lat,Long (WGS84) 51.7228100629656,-0.5290668252274491 Lat (OSGB36) N51:43:20 (51.72233094196684) Long (OSGB36) W0:31:39 (-0.5274973649786319) Lat,Long (OSGB36) 51.72233094196684,-0.5274973649786319 what3words driven.slave.smooth Open Loc/Plus code 9C3XPFFC+49F