OS X (Eastings)     421100
OS Y (Northings)    400400
Nat Grid            SE211004 / SE2110000400
Nearest Post Code   S36 4GY
Lat (WGS84)         N53:29:60 (53.49987852643917)
Long (WGS84)        W1:41:00 (-1.6833844169557)
Lat,Long (WGS84)    53.49987852643917,-1.6833844169557
Lat (OSGB36)        N53:29:59 (53.49962447056839)
Long (OSGB36)       W1:40:55 (-1.6818772688009176)
Lat,Long (OSGB36)   53.49962447056839,-1.6818772688009176
what3words          tried.logs.forgiving
Open Loc/Plus code  9C5WF8X8+XJ5