I'm pretty sure you will still be able to get a tourist visa for that week..

ach visa geht und der Pfund bleibt eventuell im Keller - d.h. es wird günstiger.

*squirms like a fox*

It was bad enough already, since you needed a passport to enter/leave the UK >.<

Of course, you need a passport (or driver's licence) to actually get into Confuzzled anyway, but that's a pet peeve for another time :p