OS X (Eastings) 539400 OS Y (Northings) 151568 Nat Grid TQ394515 / TQ3940051568 Nearest Post Code RH8 9ED Lat (WGS84) N51:14:47 (51.24625794154948) Long (WGS84) W0:00:15 (-0.004149289472693588) Lat,Long (WGS84) 51.24625794154948,-0.004149289472693588 Lat (OSGB36) N51:14:45 (51.24571534349521) Long (OSGB36) W0:00:09 (-0.00253943199485529) Lat,Long (OSGB36) 51.24571534349521,-0.00253943199485529 what3words costs.mount.basin Open Loc/Plus code 9C3X6XWW+G85