OS X (Eastings) 645750 OS Y (Northings) 257250 Nat Grid TM457572 / TM4575057250 Nearest Post Code IP15 5JR Lat (WGS84) N52:09:32 (52.15878127902559) Long (WGS84) E1:35:29 (1.5914907408788033) Lat,Long (WGS84) 52.15878127902559,1.5914907408788033 Lat (OSGB36) N52:09:30 (52.1583172691295) Long (OSGB36) E1:35:36 (1.5933221311352486) Lat,Long (OSGB36) 52.1583172691295,1.5933221311352486 what3words frame.rejoin.regal Open Loc/Plus code 9F435H5R+GH9