Holding in Company

Caledonia Investments PLC
25 July 2001

                                 SCHEDULE 10

                  NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

Caledonia Investments plc

2) Name of shareholder having a major interest

BriTel Fund Trustees Limited, a company controlled by the Trustees of the BT
Pension Scheme

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

Beneficial holding of shareholder named 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

Chase Nominees Limited

5) Number of shares/amount of stock acquired

4,900,238

6) Percentage of issued class

6.2%

7) Number of shares/amount of stock disposed



8) Percentage of issued class



9) Class of security

ordinary 5p

10) Date of transaction

24 July 2001

11) Date company informed

25 July 2001

12) Total holding following this notification

5,256,236


13) Total percentage holding of issued class following this notification

6.7%

14) Any additional information

Hermes Lens Asset Management Limited has a material interest in 4,900,238
shares as general partner of various partnerships managed by it. Hermes SLP
Limited and Lens Investors (UK) LLC have a material interest in these shares
as partners in one or more of the partnerships managed by Hermes Lens Asset
Management Limited. Hermes Lens Asset Management Limited and Hermes SLP
Limited are both subsidiaries of Hermes Pensions Management Limited which is
ultimately owned by BriTel Fund Trustee Limited.

15) Name of contact and telephone number for queries

G P Denison 020 7481 4343

16) Name and signature of authorised company official responsible for
making this notification
G P Denison, Company Secretary
Date of notification .............25 July 2001............