OS X (Eastings) 530037 OS Y (Northings) 180937 Nat Grid TQ300809 / TQ3003780937 Nearest Post Code WC2H 9EA Lat (WGS84) N51:30:45 (51.51240287061514) Long (WGS84) W0:07:39 (-0.12747656757424247) Lat,Long (WGS84) 51.51240287061514,-0.12747656757424247 Lat (OSGB36) N51:30:43 (51.511893023496576) Long (OSGB36) W0:07:33 (-0.12586982426849924) Lat,Long (OSGB36) 51.511893023496576,-0.12586982426849924 what3words hits.mass.meant Open Loc/Plus code 9C3XGV6F+X26