OS X (Eastings) 529431 OS Y (Northings) 181673 Nat Grid TQ294816 / TQ2943181673 Nearest Post Code W1T 1TE Lat (WGS84) N51:31:09 (51.519156082965615) Long (WGS84) W0:08:09 (-0.13593441112637714) Lat,Long (WGS84) 51.519156082965615,-0.13593441112637714 Lat (OSGB36) N51:31:07 (51.51864715266728) Long (OSGB36) W0:08:04 (-0.13432835353464845) Lat,Long (OSGB36) 51.51864715266728,-0.13432835353464845 what3words spits.clock.hails Open Loc/Plus code 9C3XGV97+MJ8