Apologies, I've only just seen the replies. Peter, I didn't go ahead with the aa inspection as was very strongly advised not to go ahead with the purchase by a number of people. The original listing is here:
http://www.ebay.co.uk/itm/R-reg-MAZDA-BONGO-FULL-CONVERSION-60000-MILES-10-MONTHS-MOT-SINK ...

That lass was me, doh! The seller keeps emailing me wanting to clear his name after I called him out over his multiple accounts. When I spoke to the guy from EBay, his words were 'this seller has been reported a number of times for shill bidding but we can't seem to find any evidence. I don't know ...