With the devaluation of the pound and prices going up here big time, the price stands at 6500CZK, which is EUR260, which is GBP207.
Class 1 renewal 1750CZK (EUR70, GBP55).
the link is here:
http://www.ulz.cz/en/index.html This is a few minutes by bus from the airport and no appointment is needed and you get it on the spot.
very sorry about my wrong quote for the price in the above post, realize that this is not attractive unless you are somewhere nearby anyway.
regards IP