Holding(s) in Company

Northumbrian Water Group PLC
21 June 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1.     Name of company

       Northumbrian Water Group plc

2.     Name of shareholder having a major interest

       Barclays plc

3.     Please state whether notification indicates that it is in respect of 
       holding of the shareholder named in 2 above or in respect of a 
       non-beneficial interest or in the case of an individual holder if it is a 
       holding of that person's spouse or children under the age of 18.

       As Above

4.     Name of the registered holder(s) and, if more than one holder, the number 
       of shares held by each of them
  
       A number of various holders


5.     Number of shares/amount of stock acquired

       Not stated

6.     Percentage of issued class

       Not stated

7.     Number of shares/amount of stock disposed

       Not stated

8.     Percentage of issued class

       Not stated

9.     Class of security

       Ordinary 10p Shares

10.    Date of transaction

       9th June 2004

11.    Date company informed

       14th June 2004

12.    Total holding following this notification

       15,663,129

13.    Total percentage holding of issued class following this notification

       3.02%

14.    Any additional information

15.    Name of contact and telephone number for queries

       Martin Parker  01913 016704

16.    Name and signature of authorised company official responsible for making 
       this notification.

       Martin Parker, Company Secretary


Date of notification:  21 June 2004




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