CRH PLC — Major Shareholding Notification 2013

Feb 13, 2013

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A - 16 OR 15D - 16 OF

THE SECURITIES EXCHANGE ACT OF 1934

13 February 2013

Commission File No. 001-32846

____ CRH public limited company

(Translation of registrant's name into English)

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Belgard Castle, Clondalkin,

Dublin 22, Ireland.

(Address of principal executive offices)

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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 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):__

Standard Form TR-1: Notifications of Major Interests in Shares

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

CRH plc

1. Reason for the notification (please place an X inside the appropriate bracket/s):

[ X ] An acquisition or disposal of voting rights

[ ] An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

[ ] An event changing the breakdown of voting rights

[ ] Other (please specify)

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

BlackRock, Inc.

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

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

16 th December 2011

1. Date on which issuer notified:

12 th February 2013

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

Holding has gone above 5%

1. Notified Details:

A: Voting rights attached to shares

Class/type of shares (if possible use ISIN CODE)	Situation previous to the triggering transaction
	Number of shares	Number of voting rights
Ordinary Shares (IE0001827041)	28,961,677	28,961,677

Class/type of shares (if possible use ISIN CODE)	Resulting situation after the triggering transaction — Number of shares	Number of voting rights		% of voting rights
		Direct	Indirect	Direct	Indirect
Ordinary Shares (IE0001827041)	N/A	N/A	35,977,552	N/A	5.00%
SUBTOTAL A (based on aggregate voting rights)		35,977,552		5.00%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument Expiration date Exercise/conversion period/date Number of voting rights that may be acquired (if the instrument exercised/ converted) % of voting rights

Total (A+B) (where applicable in accordance with national law)	Number of voting rights	% of voting rights
35,977,552	35,977,552	5.00%

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

BlackRock Investment Management (UK) Limited - 35,977,552 (5.00%)

1. In case of proxy voting:

2. Additional information:

Done at 12 Throgmorton Avenue, London, EC2N 2DL, U.K. on 11 th February 2013.

1. Contact name:

Neil Colgan

Company Secretary

1. Contact telephone number:

+353 1 634 4340

SIGNATURE

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.

CRH public limited company

(Registrant )

Date 13 February 2013

By:/s/Maeve Carton

M. Carton

Finance Director