Gearup,
Now is the time the airlines are hiring as they prepare for the summer season. It's getting quite active now although it may not seem like it.
As for where to live, it doesn't matter, as long as you have an address and phone that the airlines can contact you on. You may have to re-locate but I'm sure you'd do that anyway. Cetral London is a little expensive but I do have some knowledge of the prices and places to rent outside London. Email me or give me a call. Good to have you back on-line.
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"Jerry, just remember, it's NOT a LIE if YOU believe it." - George Costanza