Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the use of our report dated March 20, 1998, included in the Annual Report on Form 10-K of NTL Incorporated and Subsidiaries for the year ended December 31, 1997, with respect to the consolidated financial statements, as amended, included in this Form 10-K/A. /s/ Ernst & Young LLP ERNST & YOUNG LLP New York, New York November 5, 1998