I've been through this already and seen the various threads on the "banana" bar. A couple of months ago, I took my car to my local dealer with diagrams and photos and asked him to have a look. The service manager reckoned the npoise was definitely front offside, but for good measure inspected every suspension component for play. There was none.
In his opinion, the car was perfectly OK to drive, but the most likely cause was the anti-roll bar drop links. ZMANALEX suggested in a previous posting of mine that these be removed and if the clunking noise disappears, then you have confirmation. (£300 from a dealer for replacements, a lot less elsewhere).