OS X (Eastings) 621399 OS Y (Northings) 253720 Nat Grid TM213537 / TM2139953720 Nearest Post Code IP13 6QG Lat (WGS84) N52:08:15 (52.13739026586256) Long (WGS84) E1:14:02 (1.233829413405855) Lat,Long (WGS84) 52.13739026586256,1.233829413405855 Lat (OSGB36) N52:08:13 (52.13693007853694) Long (OSGB36) E1:14:08 (1.2356188448594971) Lat,Long (OSGB36) 52.13693007853694,1.2356188448594971 what3words cascade.mastering.modem Open Loc/Plus code 9F4346PM+XG4