For airfields - splurge out £4.50 on a copy of this. It'll cover the local schools, syllabus, costs, most stuff you want to know about getting your PPL anywhere in Britain.
https://subscriptions.flyer.co.uk/pr...-guide-201516/
If you're going to be a while getting the cash together for proper lessons, you could do worse than spend some of your unwanted leisure time at the moment making a start on the books for the written exams. That's time consuming, a bit dull, but very necessary. Here's what I'd recommend as the best of books for the exams - but if you rummage around on eBay odds are that you'll get them much cheaper. Make sure that you get the latest edition air law book - but just about any other subject 20 year old copies are just as good.
AFE PPL Course Series Pack
You'll get a feel as you go through this if / where you need to brush the maths and science up - but grade B GCSEs is a fair starting point. You're learning to be a pilot, not an engineer - although A level standard is certainly an advantage, it's not essential.