Pyecroft,
Lots of sound advice above but I would certainly use the shortest crossing (Dover/Calais or Le Touquet)and then consider France as your initial overseas destination. Less complicated no need for Mode S etc as required in Holland, they are still light aviation friendly. Try an English speaking venue (most near the coast oblige)the details of those that do and dont are available on the web. Also you may find the new Skydemon flight planning kit worthy of examination, it is simple and very good when you are planning.I think you are able to download a free one month trial, if not it is worth the money to invest and make that element of flying easier. Finally remember most of our bad weather comes from the west, the route you use to return so always watch that the fronts scheduled to arrive dont come earlier tha
n was predicted.
Enjoy the experience.