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Exhibit 99.1

Certification of CEO and CFO Pursuant to
18 U.S.C. Section 1350,
as Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 10-K of NTL (Triangle) LLC (the
Company) for the year ended December 31, 2002 as filed with the Securities
and Exchange Commission on the date hereof (the Report), Barclay Knapp, as
Director of NTL Group Limited, the sole managing member of the Company, and
Bret Richter, , as Director of NTL Group Limited, the sole managing member of
the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best
of his knowledge, that:



|(1) |  | The Report fully complies with the requirements of Section 13(a) or 15(d)
of the Securities Exchange Act of 1934; and                                                                                   
|--- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   
|(2) |  | The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company
as of, and for, the periods presented in the Report.

|                     | /s/ Barclay Knapp                                                             
|-------------------- | ------------------------------------------------------------------------------
|                    
|Name:                | Barclay Knapp                                                                 
|Title:               | Director of NTL Group Limited,
the sole managing member of NTL (Triangle) LLC*
|                     |                                                                               
|Date: March 31, 2003

|                     | /s/ Bret Richter                                                              
|-------------------- | ------------------------------------------------------------------------------
|                    
|Name:                | Bret Richter                                                                  
|Title:               | Director of NTL Group Limited,
the sole managing member of NTL (Triangle) LLC*
|                     |                                                                               
|Date: March 31, 2003

This certification accompanies the Report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended.

A signed original of this written statement required by Section 906 of the
Sarbanes-Oxley Act of 2002 has been provided to the Company and will be
retained by the Company and furnished to the Securities and Exchange Commission
or its staff upon request.



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|* |  | The Company has no Chief Executive Officer or Chief Financial Officer.
Barclay Knapp and Bret Richter are Directors of NTL Group Limited, the sole
managing member of the Company, and are Chief Executive Officer and acting
Chief Financial Officer, respectively, of NTL Incorporated, the indirect parent
of the Company.
|- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------