QuickLinks -- Click here to rapidly navigate through this document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549




Form 6-K

REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR
15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: November, 2012                        Commission File Number: 001-31728

GRANITE REAL ESTATE INC.
(Name of registrant)

77 King Street West, Suite 4010, P.O. Box 159
Toronto-Dominion Centre
Toronto, Ontario
M5K 1H1
(Address of Principal Executive Offices)

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

Form 20-F  o                         Form 40-F  ý

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):                              

DOCUMENTS FILED AS PART OF THIS FORM 6-K

See the Exhibit Index to this Form 6-K.

   



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.

Date: November 7, 2012

  GRANITE REAL ESTATE INC.

 

By:

 

/s/ JENNIFER TINDALE


Name: Jennifer Tindale
Title: Executive Vice-President, General Counsel


FORM 6-K EXHIBIT INDEX

Exhibit No.
   

Exhibit 99.1

  Third Quarter 2012 Report to Shareholders, including the press release, unaudited financial statements and management's discussion and analysis of results of operations and financial position for the period ended September 30, 2012.

Exhibit 99.2

 

Form 52-109F2 — Certification of Interim Filings — Chief Executive Officer

Exhibit 99.3

 

Form 52-109F2 — Certification of Interim Filings — Chief Financial Officer




QuickLinks

SIGNATURES
FORM 6-K EXHIBIT INDEX
Grant Prideco (NYSE:GRP)
Historical Stock Chart
From Apr 2024 to May 2024 Click Here for more Grant Prideco Charts.
Grant Prideco (NYSE:GRP)
Historical Stock Chart
From May 2023 to May 2024 Click Here for more Grant Prideco Charts.