Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

            We consent to the incorporation by reference in this Registration Statement on Form S-8 pertaining to the BP p.l.c. Share Option Plan of our report dated 6 March 2014, with respect to the group financial statements of BP p.l.c., and the effectiveness of internal control over financial reporting of BP p.l.c., included in its Annual Report on Form 20-F for the year ended December 31, 2013, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Ernst & Young LLP

London, England                                                         

29 September 2014