OS X (Eastings) 527784 OS Y (Northings) 181022 Nat Grid TQ277810 / TQ2778481022 Nearest Post Code W1H 7EJ Lat (WGS84) N51:30:49 (51.51368031112143) Long (WGS84) W0:09:36 (-0.1598947465280295) Lat,Long (WGS84) 51.51368031112143,-0.1598947465280295 Lat (OSGB36) N51:30:47 (51.513171129217426) Long (OSGB36) W0:09:30 (-0.15829164106369542) Lat,Long (OSGB36) 51.513171129217426,-0.15829164106369542 what3words spot.idea.years Open Loc/Plus code 9C3XGR7R+F2H