Director Shareholding

Caledonia Investments PLC
19 May 2005

                                  SCHEDULE 11

          NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED PERSONS




All relevant boxes should be completed in block capital letters.
1.    Name of company                                2.   Name of director



      Caledonia Investments plc                           C W Cayzer


3.    Please state whether notification indicates    4.   Name of the registered holder(s) and, if more
      that it is in respect of holding of the             than one holder, the number of shares held by
      shareholder named in 2 above or in respect of       each of them (if notified)
      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 or in respect of an non-beneficial interest

                                                          Cazenove Nominees Limited ESOS

      Beneficial interest of director named in 2
      above





5.    Please state whether notification relates to a 6.   Please state the nature of the transaction. For
      person(s) connected with the director named in      PEP transactions please indicate whether
      2 above and identify the connected person(s)        general/single
                                                          co PEP and if discretionary/non discretionary /
                                                          non discretionary

      Not applicable

                                                          Exercise of options and subsequent sale of
                                                          shares

7.    Number of shares/    8.   Percentage of issued 9.   Number of shares/   10.  Percentage of issued
      amount of stock           class (any treasury       amount of stock          class (any treasury
      acquired                  shares held by            disposed                 shares held by company
                                company should not                                 should not be taken
                                be taken into                                      into account when
                                account when                                       calculating
      50,000                    calculating               50,000                   percentage)
                                percentage)



                                0.08%
                                                                                   0.08%



  11. Class of security    12.  Price per share      13.   Date of            14.  Date company informed
                                                           transaction


      Ordinary 5p               Option exercise:                                   19 May 2005
                                                           19 May 2005
                                35,500 shares @ 781p;

                                3,500 shares @ 745p;

                                6,000 shares @ 677.5p;

                                5,000 shares @ 740p

                                Sale:

                                50,000 shares @ 1322.5p


15.   Total holding following this notification      16.   Total percentage holding of issued class
                                                           following this notification (any treasury
                                                           shares held by company should not be taken
                                                           into account when calculating percentage)
      Beneficial -  163,822 shares


                                                           Beneficial - 0.26%
      Non-beneficial - 83,009 shares



      Options -  56,100 shares




If a director  has been granted options by the company please complete the following boxes.
17.   Date of grant                                  18.  Period during which or date on which
                                                          exercisable



19.   Total amount paid (if any) for grant of the    20.  Description of shares or debentures involved:
      option                                              class, number




21.   Exercise price (if fixed at time of grant) or  22.  Total number of shares or debentures over which
      indication that price is to be fixed at time        options held following this notification
      of exercise


23.   Any additional information                     24.  Name of contact and telephone number for
                                                          queries
      Included in the total holdings shown in 15
      above are a beneficial interest in 49,492
      shares and a non-beneficial interest in 73,009
      shares not previously notified to the company.      G P Denison - 020 7802 8080
      The beneficial interest relates to a family
      trust in which the director's children are
      among a class of the potential beneficiaries,
      which was not previously identified as a
      notifiable interest, and the non-beneficial
      interest relates to a trust of which the
      director was appointed a trustee on 5 July
      2004.







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



      G P Denison - Company Secretary


Date of notification  - 19 May 2005









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