Where is that then Lorry. Always up for trying a different cuisine!!
150 Tooley Street SE1, behind Ken's Palace (which by some strange quirk of fate is just outside of the congestion zone) Its called Fina Estampa - see
http://www.london-eating.co.uk/2937.htm. One of its attractions is "Extensive list of South American wines" and there's another over London Bridge -
http://www.london-eating.co.uk/4123.htm. Both have American cuisine, but I haven't had the courage to try them yet, and I do have a soft spot for El Vinos' - Now that is a wine list. All a long way from Basingstoke I'm afraid.