It's still the wrong question.
Unless you just want to get the PPL, tick the box, never fly again, and take up deep sea diving or whatever the next thing is, the question is not "what does it cost to get a licence" (plenty of people could add a one-off £8k to their mortgage without really noticing it) but
"Once I've got the licence, will I be able to afford to keep it up?"
That's much more expensive, being a continuing cost rather than a one-off.