Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Liberty Global 401(k) Savings and Stock Ownership Plan

Englewood, Colorado

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-189223) of Liberty Global plc of our report dated June 24, 2014, relating to the financial statements and supplemental schedules of the Liberty Global 401(k) Savings and Stock Ownership Plan as of December 31, 2013 and 2012 and for the year ended December 31, 2013 appearing in this Annual Report on Form 11-K.

/s/ Anton Collins Mitchell LLP

Denver, Colorado

June 24, 2014