In reply to Mark Haward:
Thanks for the replies, I'll be doing the refresher and assessment at PYB. My DLOG has days from the lakes, snowdonia, the peak, Cairngorms, Ben Nevis areas, Creag Meggy, Skye and torridon so shows a good spread of experience.
The fact is I'm an experienced recreational climber / mountaineer but need to make the step to instructor, I'm quite happy having an epic with my mates but not with strangers!