You should check out the Flying Instructors and Examiners forum on this website as there is quite a bit of specific information there.
http://www.pprune.org/forums/forumdi...?s=&forumid=17
The UK CAA posts lists of all of the schools approved for flight training which would be a good place to start your search.
http://www.caa.co.uk/srg/licensing/f...sp?groupid=192
Buenos luckos!