I feel that Cambridge could turn out a tad expensive: If money's no option and Cambridge is your most convenient airfield then go for it:
I did my PPL training if MASF's predecessor, the Ipswich School of flying
ISF) which of course is no more: I have however used MASF for biennials, differences etc and have found them very helpful.
When costing flying training be sure to find out whether or not landing fees are included it your hourly rate: 'cos if they're not, an hour of T & Gs will work out pretty pricey.
That said, learning in the relatively busy but not too crowded environment of a commercial airfield will lessen the shock of landaways if all you are used to is a grass strip in the middle of nowhere.
Horses for courses.
Safe and enjoyable flying training
Cusco.