Ta. Shall head out to WHSmith at lunchtime.
Yes. They are. I'll take some pics later, if the LBS gets round to cutting the fork today. There's certainly a lot of seatube clearance.
From recollection the frame will take 28c tyres so, I'd imagine, that you might even run some proper guards (with p clips as you say) with 25's or, at least, 23c.