Well, answering my own question after a bit of searching on t'internet, it appears that 08925 arrived by road last Tuesday, which was the day I passed on the train. It was unloaded by 07011 and shunted into the shed for mechanical work to be undertaken as seen in the attached links:
http://www.youtube.com/watch?v=K3cHdfEE478
http://www.flickr.com/photos/stevestrains/6771495305/
Probably wouldn't have found this on the web without the loco number first, so thanks again Gray.
Regards,
Tony