Finally had all the parts ready so took the obligatory 'everything on the floor' photo.
Dropped off all the bits at LBK and tried to find a parking space. When I came back the woman working there greeted me with "did you know about this?" and showed me the crack in the chainstay. Fuck.
We're now one month on and and after plenty of hassle with the seller, eBay and Hermes I have my money back.