"Here's one recommendation.
I've done a few bits of training with them - small, a little basic, but affordable and professional where it actually matters.
And they've never asked me to pay up front, although looking on their website they do seem to do something paying about 6 hours at a time - which I'm certain isn't essential.
G"
Have just finished my PPL with Billins and I can't recommend them highly enough. I shopped around at Cranfield before going with Richard and must say they have been excellent. And you get free sweets...