**Exhibit 31.1**

**CERTIFICATIONS**

I, Stephen A.Burch, certify that:

1. I have reviewedthis quarterly report on Form 10-Q of Virgin Media Inc. (“Virgin Media”) andVirgin Media Investment Holdings Limited.

2. Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report.

3. Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrants as of, andfor, the periods presented in this report.

4. The registrants’other certifying officer and I are responsible for establishing and maintainingthe registrants’ disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) and Virgin Media’s internal control overfinancial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))and have:

a) Designed such disclosure controls and procedures,or caused such disclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to the registrants,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report is beingprepared;

b) Designed Virgin Media’s internal control overfinancial reporting, or caused such internal control over financial reportingto be designed under our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally acceptedaccounting principles;

c) Evaluated the effectiveness of the registrants’disclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in theregistrants’ internal control over financial reporting that occurred during theregistrants’ most recent fiscal quarter that has materially affected, or isreasonably likely to materially affect, the registrants’ internal control overfinancial reporting.

5. The registrants’other certifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrants’auditors and the audit committee of the registrants’ board of directors (orpersons performing the equivalent functions):

a) All significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the registrants’ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the registrants’internal control over financial reporting.
| Date: August 8, 2007 |   |   /s/  Stephen A. Burch |   |
|----------------------|--------|-----------------------------------|--------|
|                 |   | Stephen A. Burch                  |
|                 |   | Chief Executive  Officer          |

 

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