Ben
That would be a good idea - but it might put off potential wannabees as they see the cost go up
As a rough measure, I estimate my PPL cost around £7500 in the last couple of years so figures should be still valid - bar the increase in fuel costs raising the hourly rate by perhaps £5-£10.
Costs to include: lessons (obviously), books, checklists, kneeboard, chinagraph pencils (ah, the cheap bit), headphones, CRP computer, charts, medical, ground exams, R/T theory test, skills test, land away fees, circuits / touch & go fees, licence application. And in the UK you will be doing very well to get in at 45 hours due to our wonderful weather.
But was it all worth it? 100% YES.