<SEC-DOCUMENT>0001127602-18-008400.txt : 20180226
<SEC-HEADER>0001127602-18-008400.hdr.sgml : 20180226
<ACCEPTANCE-DATETIME>20180226161016
ACCESSION NUMBER:		0001127602-18-008400
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180222
FILED AS OF DATE:		20180226
DATE AS OF CHANGE:		20180226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shannon Patrick S
		CENTRAL INDEX KEY:			0001589049

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35971
		FILM NUMBER:		18640611

	MAIL ADDRESS:	
		STREET 1:		C/O SCHLAGE LOCK COMPANY, LLC
		STREET 2:		11819 N. PENNSYLVANIA STREET
		CITY:			CARMEL
		STATE:			IN
		ZIP:			46032

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Allegion plc
		CENTRAL INDEX KEY:			0001579241
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-DETECTIVE, GUARD & ARMORED CAR SERVICES [7381]
		IRS NUMBER:				981108930
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		BLOCK D IVEAGH COURT
		STREET 2:		HARCOURT ROAD
		CITY:			DUBLIN 2
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		(317) 810-3700

	MAIL ADDRESS:	
		STREET 1:		C/O SCHLAGE LOCK COMPANY, LLC
		STREET 2:		11819 N. PENNSYLVANIA STREET
		CITY:			CARMEL
		STATE:			IN
		ZIP:			46032
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-02-22</periodOfReport>

    <issuer>
        <issuerCik>0001579241</issuerCik>
        <issuerName>Allegion plc</issuerName>
        <issuerTradingSymbol>ALLE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001589049</rptOwnerCik>
            <rptOwnerName>Shannon Patrick S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SCHLAGE LOCK CO., LLC</rptOwnerStreet1>
            <rptOwnerStreet2>11819 N PENNSYLVANIA STREET</rptOwnerStreet2>
            <rptOwnerCity>CARMEL</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46032</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Sr. V. President &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2018-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2876</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>65955.045</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>86.93</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11743</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>86.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-02-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11743</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11743</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock units that vest in equal annual installments on February 22, 2019, February 22, 2020 and February 22, 2021.</footnote>
        <footnote id="F2">A stock option that vests in equal annual installments on February 22, 2019, February 22, 2020 and February 22, 2021.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ S. Wade Sheek, Attorney-In-Fact</signatureName>
        <signatureDate>2018-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
