This is the key end-on:

While this is the whole key:

The key is cast and unfortunately I do not have one of the locks to practise cutting a key for it. I wondered if anyone knew if a normal bitted key for a lever lock might be cut to fit? Or if there are there any suppliers of these keys in the UK? Or anything about them in general? I hate beaing beaten by a key...
Thanks if anyone can help!