Well, I guess it also depends opn where in Yorkshire you live!
Think of;
How far am I willing to travel?
What facilities and fleet does the school have?
Can most of the training exercises be done at the base airfield or do I have to pay for transit time to other fields for certain parts of my course?
Do I like the instructors?
What landing fees are applicable? (this can be a significant surprise when it comes to paying!)
Any block discounts available?
Once you've put these questions through your mind and to the schools you will build a better picture up.
Listen to peoples opinions but beware that there are ALWAYS good and bad reports about schools!
Don't jump in feet first, even if you do three trials at three schools, the flight time counts!