**Exhibit31.2**

**CERTIFICATIONS**

I, Jacques Kerrest,certify that:

1. I have reviewed thisquarterly report on Form 10-Q of Virgin Media Inc. (“Virgin Media”) and VirginMedia Investment Holdings Limited.

2. Based on my knowledge,this report does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report.

3. Based on my knowledge,the financial statements, and other financial information included in thisreport, fairly present in all material respects the financial condition,results of operations and cash flows of the registrants as of, and for, theperiods presented in this report.

4. The registrants’ othercertifying officer and I are responsible for establishing and maintaining theregistrants’ 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 suchdisclosure controls and procedures to be designed under our supervision, toensure that material information relating to the registrants, including itsconsolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this report is being prepared;

b) Designed Virgin Media’s internal control over financial reporting,or caused such internal control over financial reporting to be designed underour supervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrants’ disclosure controlsand procedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the end of theperiod covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrants’ internalcontrol over financial reporting that occurred during the registrants’ mostrecent fiscal quarter that has materially affected, or is reasonably likely tomaterially affect, the registrants’ internal control over financial reporting.

5. The registrants’ othercertifying officer and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the registrants’ auditors and theaudit committee of the registrants’ board of directors (or persons performingthe equivalent functions):

a) All significant deficiencies and material weaknesses in the designor operation of internal control over financial reporting which are reasonablylikely to adversely affect the registrants’ ability to record, process,summarize and report financial information; and

b) Any fraud, whether or not material, that involves management orother employees who have a significant role in the registrants’ internalcontrol over financial reporting.
| Date: May 10, 2007 |   | /s/ Jacques  Kerrest    |   |
|--------------------|--------|-------------------------|--------|
|               |   | Jacques Kerrest         |
|               |   | Chief Financial Officer |

 

----