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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 South Hertfordshire United
Kingdom Fund, Ltd. (the Partnership) 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 Fawnspring Limited, the general
partner of the Partnership, and Bret Richter, as Director of Fawnspring
Limited, the general partner of the Partnership, 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
Partnership.

|                  |  |                                                                      
|----------------- |  | ---------------------------------------------------------------------
|/s/ Barclay Knapp
|                 
|Name:             |  | Barclay Knapp                                                        
|Title:            |  | Director of Fawnspring Limited,                                      
|                  |  | the General Partner of South Hertfordshire United Kingdom Fund, Ltd.*
|Date:             |  | March 31, 2003                                                       

|                 |  |                                                                      
|---------------- |  | ---------------------------------------------------------------------
|/s/ Bret Richter
|                
|Name:            |  | Bret Richter                                                         
|Title:           |  | Director of Fawnspring Limited,                                      
|                 |  | the General Partner of South Hertfordshire United Kingdom Fund, Ltd.*
|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 Partnership 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 Partnership and will be
retained by the Partnership and furnished to the Securities and Exchange
Commission or its staff upon request.



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*     The Partnership has no Chief Executive Officer or Chief Financial Officer.
Barclay Knapp and Bret Richter are Directors of Fawnspring Limited, the general
partner of the Partnership, and are Chief Executive Officer and acting Chief
Financial Officer, respectively, of NTL Incorporated, the indirect parent of
Fawnspring Limited.