In reply to Mick Ryan - UKClimbing.com:
Effort Gaz!
"The slightly more obvious/comfortable start (I.e. 1.5m right of the end of the buttress) has been repeated and is V12/13 (by route technician Ian Vickers and was in his words "like redpointing an 8c+ route"
The above quote is old info, Ian Vickers has in fact completed the full traverse and this was the 2nd ascent. Unless of course you count Si O'Scrimshaws ascent, ha ha.