FORM 6-K
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                           REPORT OF FOREIGN ISSUER


                       Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934


                         For the month of October, 2005

                      
                                 UNILEVER PLC     
                (Translation of registrant's name into English)

                  UNILEVER HOUSE, BLACKFRIARS, LONDON, ENGLAND
                    (Address of principal executive offices)

 
Indicate by check mark whether the registrant files or will file annual reports 
under cover Form 20-F or Form 40-F.

                         Form 20-F..X.. Form 40-F.....

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(1):_____

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(7):_____


Indicate by check mark whether the registrant by furnishing the information 
contained in this Form is also thereby furnishing the information to the 
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                               Yes ..... No .X..

If "Yes" is marked, indicate below the file number assigned to the registrant 
in connection with Rule 12g3-2(b): 82- _______



Exhibit 99 attached hereto is incorporated herein by reference.



                                   Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned, thereunto duly authorized.



                                            UNILEVER PLC
                                            

                                        /S/ S G WILLIAMS
                                        By  S G WILLIAMS
                                            SECRETARY
                   
                                      
Date: October 03, 2005





                            EXHIBIT INDEX
                            -------------

EXHIBIT NUMBER              EXHIBIT DESCRIPTION

99                          Notice to London Stock Exchange dated 
                            03 October 2005, Transaction in Own Shares




Exhibit 99





Unilever  PLC and Unilever NV announce the  commencement  of the share  buy-back
programme  of up to EUR 500  million  aggregate  market  value in  shares in the
capital of Unilever NV and/or  Unilever  PLC  announced  in February  2005.  The
purpose of the programme is to enhance  earnings per share.  This is in addition
to the  replenishment  by Unilever NV of treasury shares used for the conversion
of its EUR 0.05 preference shares,  also announced in February 2005, under which
14.2M shares have been bought back as of 30 September 2005.

The buy-back may be of either Unilever NV shares, Unilever PLC shares or both.
The buy-back will take place within the limitations of the authority granted to
the Boards by the respective general meetings of shareholders. During the close
period the buyback will be made pursuant to irrevocable agreements.