EPT london location:
http://www.europeanpokertour.com/vic...Directions.pdf
WSOPE location:
http://www.multimap.com/maps/?&hloc=...H7NA|WC2H%207NA
they're pretty far apart. at the very least an underground ride + a walk. Dunno anything about housing near each, but anything near an underground could work - some rides longer than others obv.
It's not too hard to have a half hour underground ride tho.