Before the discontinuation announcement, turn around wasn't usually more than 2 weeks from the UK, sometimes as little as 8 days. The four rolls I've sent off since have all taken 3 weeks or more, and that was before the postal strikes started.

If you email with the unique ID from the mailer label they can tell you if and when the roll was received in Lausanne. I once had a roll disappear in the postal system for 7 or 8 weeks before it was even logged in to Kodak's system!