**Exhibit 32.1**

**Certification ofCEO and CFO Pursuant to18 U.S.C. Section 1350,as Adopted Pursuant toSection 906 of the Sarbanes-Oxley Act of 2002**

In connection with the Quarterly Report onForm 10-Q of South Hertfordshire United Kingdom Fund, Ltd. (the “Partnership”)for the three months ended March 31, 2007, as filed with the Securitiesand Exchange Commission on the date hereof (the “Report”), Robert Mackenzie, asa director for Virgin Media Directors Limited, the Corporate Director of NTLFawnspring Limited, the General Partner of the Partnership, and Robert Gale, asa director for Virgin Media Directors Limited, the Corporate Director of NTLFawnspring Limited, the General Partner of the Partnership, each herebycertifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant toSection 906 of the Sarbanes-Oxley Act of 2002, to the best of hisknowledge, that:

(1)                                  TheReport fully complies with the requirements of Section 13(a) or15(d) of the Securities Exchange Act of 1934; and

(2)                                  Theinformation contained in the Report fairly presents, in all material respects,the financial condition and results of operations of the Partnership.
| /s/ ROBERT  MACKENZIE |                                                                                                                 |
|-----------------------|----------------------------------------------------------------------------------------------------------------------|
| Name:                 | Robert Mackenzie                                                                                                     |
| Title:                | Director of Virgin Media Directors Limited                                                                           |
|                  | Corporate Director of NTL Fawnspring Limited,  the General Partner of South Hertfordshire United Kingdom Fund, Ltd.* |
| Date:                 | May 14, 2007                                                                                                    |
|                  |                                                                                                                 |
|                  |                                                                                                                 |
| /s/ ROBERT  GALE      |                                                                                                                 |
| Name:                 | Robert Gale                                                                                                          |
| Title:                | Director of Virgin Media Directors limited                                                                           |
|                  | Corporate Director of NTL Fawnspring Limited,  the General Partner of South Hertfordshire United Kingdom Fund, Ltd.* |
| Date:                 | May 14, 2007                                                                                                    |
|                       |                                                                                                                      |  |

 

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

This certification accompanies the Report pursuant toSection 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to theextent required by the Sarbanes-Oxley Act of 2002, be deemed filed by thePartnership for purposes of Section 18 of the Securities Exchange Act of1934.

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*                    ThePartnership has no Chief Executive Officer or Chief Financial Officer. RobertMackenzie and Robert Gale are directors of Virgin Media Directors Limited,which is a Corporate Director of NTL Fawnspring Limited, the General Partner ofthe Partnership.

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