Making changes in Operational PFI Projects: report by the Comptroller and Auditor General: HC 205 Session 2007-2008 / TSO, 17 January 2008
Full report
PDF - http://www.nao.org.uk/publications/nao_reports/07-08/0708205.pdf
Executive summary
PDF - http://www.nao.org.uk/publications/nao_reports/07-08/0708205es.pdf