RNS Number:5397P
BRIT Insurance Holdings PLC
09 September 2003



                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

BRIT INSURANCE HOLDINGS PLC

2. Name of shareholder having a major interest

FMR CORP. AND ITS DIRECT AND INDIRECT SUBSIDIARIES, FIDELITY
INTERNATIONAL LIMITED (FIL) AND ITS DIRECT AND INDIRECT SUBSIDIARIES AND
MR EDWARD C JOHNSON 3RD (PRINCIPAL SHAREHOLDER OF FMR CORP AND FIL)

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

Non-beneficial interest

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

HSBC: 17,604,600

Clydesdale Bank (Head Office) Nominees Ltd: 26,518,906

Clydesdale Bank (Head Office) Nominees Ltd: 1,560,685

HSBC Client Holdings Nominee (UK) Ltd: 11,286,189

Chase Manhattan Bank London:179,519

5. Number of shares / amount of stock acquired

NOT APPLICABLE

6. Percentage of issued class

NOT APPLICABLE

7. Number of shares / amount of stock disposed

2,577,120

8. Percentage of issued class

 0.26%

9. Class of security

ORDINARY 25P SHARES

10. Date of transaction

NOT AVAILABLE

11. Date company informed

8 September 2003

12. Total holding following this notification

57,149,899

13. Total percentage holding of issued class following this notification

5.87% (based on issued share capital of 974,053,189 Ordinary 25p shares)

14. Any additional information


15. Name of contact and telephone number for queries

LUCIE GILBERT 020 7984 8664

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


Date of notification

9 September 2003

The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.


                      This information is provided by RNS
            The company news service from the London Stock Exchange

END
HOLVKLBBXKBLBBE