**Exhibit 32.1**

**Certification of CEO 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 on Form 10-Qof South Hertfordshire United Kingdom Fund, Ltd. (the “Partnership”) for thequarter ended June 30, 2005, as filed with the Securities and ExchangeCommission on the date hereof (the “Report”), Robert Mackenzie, as a directorfor ntl Directors Limited, the Corporate Director of NTL Fawnspring Limited,the general partner of the Partnership, and Robert Gale, as a director for ntlDirectors Limited, the Corporate Director of NTL Fawnspring Limited, thegeneral partner of the Partnership, each hereby certifies, pursuant to 18U.S.C. Section 1350, as adopted pursuant to Section 906 of theSarbanes-Oxley Act of 2002, to the best of his knowledge, that:

(1)          The Report fullycomplies with the requirements of Section 13(a) or 15(d) of theSecurities Exchange Act of 1934; and

(2)          The informationcontained in the Report fairly presents, in all material respects, thefinancial condition and results of operations of the Partnership.
| /s/ ROBERT MACKENZIE       |                                                                   |
|----------------------------|------------------------------------------------------------------------|
| Name:                      | Robert Mackenzie                                                       |
| Title:                     | Director of ntl Directors Limited                                      |
|                       | Corporate Director of NTL Fawnspring Limited,                          |
|                       | the General Partner of South Hertfordshire United  Kingdom Fund, Ltd.* |
| Date: August 15, 2005 |
|                            |                                                                        |  |

 
| /s/ ROBERT GALE            |                                                                   |
|----------------------------|------------------------------------------------------------------------|
| Name:                      | Robert Gale                                                            |
| Title:                     | Director of ntl Directors Limited                                      |
|                       | Corporate Director of NTL Fawnspring Limited,                          |
|                       | the General Partner of South Hertfordshire United  Kingdom Fund, Ltd.* |
| Date: August 15, 2005 |
|                            |                                                                        |  |

 

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 certificationaccompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Actof 2002 and shall not, except to the extent required by the Sarbanes-Oxley Actof 2002, be deemed filed by the Partnership for purposes of Section 18 ofthe Securities Exchange Act of 1934.

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*                    ThePartnership has no Chief Executive Officer or Chief Financial Officer. RobertMackenzie and Robert Gale are Directors of ntl Directors Limited, which is acorporate director of NTL Fawnspring Limited, the general partner of thePartnership.

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