Director/PDMR Shareholding

Caledonia Investments PLC
24 April 2007




NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required
by DR 3.1.4R(1).


(1)   An issuer making a notification in respect of a transaction relating 
      to the shares or debentures of the issuer should complete boxes 1 to 
      16, 23 and 24.
(2)   An issuer making a notification in respect of a derivative relating 
      the shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 
      16, 23 and 24.
(3)   An issuer making a notification in respect of options granted to a 
      director/person discharging managerial responsibilities should 
      complete boxes 1 to 3 and 17 to 24.
(4)   An issuer making a notification in respect of a financial instrument 
      relating to the shares of the issuer (other than a debenture) should 
      complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.


Please complete all relevant boxes in block capital letters.



1. Name of the issuer

Caledonia Investments plc

....................................



2. State whether the notification relates to (i) a transaction notified in
accordance with DR 3.1.4R(1)(a); or

(ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as
extended by section 328) of the Companies Act 1985; or

(iii) both (i) and (ii)

(ii)

....................................



3. Name of person discharging managerial responsibilities/director

W P Wyatt

....................................



4. State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person

Not applicable

....................................



5. Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a non-beneficial interest

Non-beneficial interest

....................................



6. Description of shares (including class), debentures or derivatives or
financial instruments relating to shares

Ordinary 5p

....................................



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

Caytrust Finance Company Limited - 4,000 shares

Roy Nominees Limited - 593 shares

....................................



8 State the nature of the transaction

Appointment of Mr Wyatt as a trustee of a family trust - see section 23 below

....................................

....................................



9. Number of shares, debentures or financial instruments relating to shares
acquired

4,593 shares - see section 23 below

....................................



10. Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage)

0.01% - see section 23 below

....................................



11. Number of shares, debentures or financial instruments relating to shares
disposed



....................................



12. Percentage of issued class disposed (treasury shares of that class should
not be taken into account when calculating percentage)



....................................



13. Price per share or value of transaction

Not applicable

....................................



14. Date and place of transaction

5 April 2007 - see box 23 below

....................................



15. Total holding following notification and total percentage holding following
notification (any treasury shares should not be taken into account when
calculating percentage)

Beneficial - 145,645 shares (0.25%)

Non-beneficial - 17,093 shares (0.03%)

Options - 82,716 shares (0.14%)

Deferred bonus plan - 7,453 shares (0.01%)

....................................



16. Date issuer informed of transaction

24 April 2007

....................................



If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes



17 Date of grant



....................................



18. Period during which or date on which it can be exercised



....................................



19. Total amount paid (if any) for grant of the option



....................................



20. Description of shares or debentures involved (class and number)



....................................

....................................



21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at the time of exercise



....................................



22. Total number of shares or debentures over which options held following
notification



....................................



23. Any additional information

On 5 April 2007, Mr Wyatt was appointed a trustee of a Cayzer family trust which
holds 4,593 Caledonia ordinary shares. Accordingly, Mr Wyatt is deemed by virtue
of the Companies Act 1985 to have acquired an interest in these shares.

....................................



24. Name of contact and telephone number for queries

G P Denison,  020 7802 8080

....................................



Name and signature of duly authorised officer of issuer responsible for making
notification

G P Denison, Company Secretary

....................................



Date of notification

24 April 2007

....................................

END


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