Holding(s) in Company

Slough Estates PLC
21 November 2003


                                  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

        SLOUGH ESTATES PLC                      J A N HEAWOOD
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    3.  Please state whether notification   4.  Name of the registered holder(s) and,
        indicates that it is in respect         if more than one holder, the number of
        of holding of the shareholder           shares held by each of them (if
        named in 2 above or in respect of       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
        In respect of a director


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    5.  Please state whether notification   6.  Please state the nature of the
        relates to a person(s) connected        transaction. For PEP transactions
        with the director named in 2            please indicate whether general/single
        above and identify the connected        co PEP and if discretionary/non
        person(s)                               discretionary /non discretionary
                                                Exercise of 18,369 Executive Options @
                                                £3.125
                                                Exercise of 39,410 Executive Options @
                                                £3.52
                  -----------------------                  ---------------------------
    7.  Number of       8.  Percentage of   9.  Number of        10.  Percentage of
        shares/amount       issued              shares/amount         issued class
        of stock            class               of stock
        acquired                                disposed

             57,779                                    50,957

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

        ORDINARY                £4.2475          21 NOVEMBER          21 NOVEMBER
        25P                                      2003                 2003
   ----  ------------  ----  ------------   ----   ------------  ----   --------------
   15.  Total holding following this        16.  Total percentage holding of issued
        notification                             class following this notification
        51,205 (INCLUDING 19,978
        REGISTERED IN SPOUSE'S NAME

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

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

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   21.  Exercise price (if fixed at time   22.  Total number of shares or debentures
        of grant) or indication that            over which options held following this
        price is to be fixed at time of         notification
        exercise
        -----------------------            ---- ---------------------------
   23.  Any additional information         24.  Name of contact and telephone number
                                                for queries

                                                MRS V A LYNCH 01753 537171
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   25.  Name and signature of authorised company official responsible for making this
        notification

                                                                      V A LYNCH,
                                                                  DEPUTY COMPANY
                                                                       SECRETARY
Date of notification 21 November 2003
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