Solve the clues and fill the grid. Each clue is missing a different London Underground Station
As jafe has noted in Traversing Africa: A Cryptic Journey:
By request of the Sanity Preservation Institute, some long names have been shortened. For example, if the full place name is "Xyz Royal National Park", the answer will be just "Xyz" (often with "royal national park" or similar as the definition).
Failed in an attempt to achieve symmetry :(