You will need a JAA Class 2 medical. Costs in excess of £100
There are 7 theory exams plus an RT practical test. Costs vary - but allow at least another £100-200. You will also need to buy text books, perhaps 5 at £20 each.
Some places even charge for ground instruction as well.
You may need a headset (£220), nav computer, ruler, etc etc.....
The Skill Test will be conducted by an Examiner whose fee will be at least £150.
Licence issue fee is currently £159.