Holding in Company

Centrica PLC
11 January 2001

                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     CENTRICA PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     CGNU 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

     SHAREHOLDER IN (2) ABOVE

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

     SEE APPENDIX BELOW

5)   Number of shares/amount of stock acquired.



6)   ( N/A %) of issued Class

7)   Number of shares/amount of stock disposed



8)   ( N/A %) of issued Class

9)   Class of security

     ORD 5 5/9p

10)  Date of transaction



11)  Date company informed

     11/01/01

12)  Total holding following this notification

     149,956,124 SHARES
              
13)  Total percentage holding of issued class following this notification

     3.74%

14)  Any additional information

     REDUCTION IN NOTIFIABLE HOLDING FROM 4.3% AS NOTIFIED ON 4/8/2000 TO 3.74%

15)  Name of contact and telephone number for queries

     L CALDWELL - 01753-758216

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

     Date of Notification ..11 JANUARY 2001



APPENDIX: CGNU PLC

REGISTERED HOLDERS                             NUMBER OF SHARES HELD

BNY (Nominees) Limited                            166,998 (material)

BNY Norwich Union Nominees Limited             61,895,690 (material)

BT Globenet Nominees Limited                       31,440 (material)

Chase GA Group Nominees Limited                59,086,948 (material)

Chase GA Pension Nominees Limited               2,622,979 (material)

Chase Nominees Limited                             19,770 (material)

CUIM Nominee Limited                           25,879,244 (material)

Hibernian Investment Managers Limited             229,000 (material)

State Street Bank Nominees Limited                 24,055 (material)

TOTAL PERCENTAGE INTEREST OF CGNU PLC: 3.74%

ISSUED SHARE CAPITAL ON WHICH THIS NOTIFICATION IS BASED: 4,013,240,341