It's really good. They will be moving up the road a little while works continue on the building and it seems a bit odd when you approach it because there is no reception or anything but the classes are very good.
I don't think it is, the place opposite the Zandra Rhodes building is called studio seventyfour ( www.studioseventyfour.co.uk). Crucifix Lane is somewhere different. Studio Seventyfour is excellent, though I have only done the gyrokinesis and gyrotonics there, not yoga.