This section of cliff including the quarry ledges and caves are reserved as an ecological sanctuary and climbing access is not permitted.
There are a handful of historic assents recorded mainly aid, from back when the public had access to the caves. Please control your urges to explore and this will course friction with the good will of the wildlife wardens and leave the birds in place.
There are no new areas or last great projects that have not been seen by the countless climbers that came before you and the access agreement is very unlikely to change.