I think either would be a good choice, but check the attenuation ranges. 002 will leave more sweetness and i believe it is a very good floculator. I don't make many English styles (couple in the works) but 002 is the only one I use.
I've only done one bitter with White Labs yeast, but love it... WLP023. LOTS of fruity character. White Labs states its flocculation is medium, but with proper pouring, mine holds to the bottom of the bottle pretty well.