I did my PPL in exactly 45hrs at Thruxton and it cost just over £7600. The link below is a spreadsheet for all my costs from last year - it is surprising how much exam fees, books, medicals etc add up!
PPL Costs
Just wanted to add - its well worth it when you can then go and take photos like this
Piccy 1
Piccy 2
Piccy 3
Piccy 4
Steve