Hi!
If you will under N registered you may pass EU custom procedures with airplane import. It possible with Harrods aviation FBO in Luton. It costs approximately 300 GBP ant require just stop landing at Luton.
I uesd flying N regitered ACFT under Part 135 in EU with this scenario.
You can find out information at
http://www.harrodsaviation.com/fbo/fbo_cabotage.html
regards!