In reply to DiscoBoy:
Thanks for your advice everyone. We went today and had a great time
We did some top roping at three different spots, each of which had two routes up. It was great fun being out in the lovely sunshine with some friends (and their dog) and I really enjoyed the climbing: finding different ways to climb the same spot is much more interesting than indoor.
For those of you who know the area, we went over World's End from Wrexham and down the other side, then where the ford is we crossed the style on the left, and it's a short walk up there to the face which is on the left. I believe that it is in the guide books, but have no idea what it is called.