Notifiable Interest

Gleeson(M J)Group PLC
16 March 2007

                     M J Gleeson Group PLC ('the Company')

                              Notifiable Interest



A form TR-1 containing the following information has been received by the
Company.

TR-1 notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

M J Gleeson Group PLC

2. Reason for the notification

An acquisition or disposal of voting rights

3. Full name of person(s) subject to the notification obligation:

Schroders plc

4. Full name of shareholder(s) (if different from 3):

N/A

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

14 March 2007

6. Date on which issuer notified:

15 March 2007

7. Threshold(s) that is/are crossed or reached:

14% - 13%

8. Notified details:

A: Voting rights attached to shares
Class/type of      Situation previous to Resulting situation after the triggering transaction
shares             Triggering
                   transaction           Notification required under DTR transitional provision 7
if possible using
ISIN CODE
                   Number of  Number of  Number of   Number of voting rights % of voting rights
                   Shares     Voting     shares
                              Rights

                                         Direct      Direct     Indirect     Direct     Indirect


GB00B01BNK27       7,211,217  7,211,217  N/A         N/A        7,119,762    N/A        13.721%

B: Financial Instruments
Resulting situation after the triggering transaction


Type of financial Expiration date     Exercise/           Number of voting       % of voting rights
instrument                            Conversion Period/  rights that may be
                                      Date                acquired if the
                                                          instrument is
                                                          exercised/ converted




Total (A+B)
Number of voting rights                              % of voting rights


7,119,762                                            13.721%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

Schroder Investment Management Limited 7,119,762  13.72%

10. Name of the Proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

The Shares referred to in section 9 are held in portfolios managed by those
firms on a discretionary bases for clients under investment mangaement
agreements.

14. Contact name:

M J Gleeson Group plc

Edwin Lawrie

Director & Company Secretary



15. Contact telephone number:



Tel: [phone]


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