Originally Posted by marlborobell

Well, the easiest way is to cross the platform at Barons Court and then to cross it again at Earl's Court. It's three trains but doesn't involve getting your luggage up a whole bunch of stairs, just onto the platform and off to the other side of the same platform. (At Earl's Court it could potentially even be the same side, I think. Watch the indicator boards and make sure you get an Edgware Road train, not a Tower Hill or Upminster train.)