-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OjuHsrbWSnx1AJ+GA96ERqGK5fceV0kCo19W7tgH8JfQfzA8m8t1tSxVDu/OFjMz
 4MOfmeTa42GODxoBssXo1w==

<SEC-DOCUMENT>0001203113-09-000015.txt : 20090304
<SEC-HEADER>0001203113-09-000015.hdr.sgml : 20090304
<ACCEPTANCE-DATETIME>20090304175329
ACCESSION NUMBER:		0001203113-09-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090303
FILED AS OF DATE:		20090304
DATE AS OF CHANGE:		20090304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GRAYSON DOUGLAS S
		CENTRAL INDEX KEY:			0001203107

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06300
		FILM NUMBER:		09656638

	MAIL ADDRESS:	
		STREET 1:		C/O PENN. REAL ESTATE INVESTMENT TRUST
		STREET 2:		200 S. BROAD ST., THE BELLEVUE
		CITY:			PHILADEPHIA
		STATE:			PA
		ZIP:			19102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PENNSYLVANIA REAL ESTATE INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000077281
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				236216339
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		THE BELLEVUE
		STREET 2:		200 S BROAD STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19102
		BUSINESS PHONE:		2155429250

	MAIL ADDRESS:	
		STREET 1:		THE BELLEVUE
		STREET 2:		200 S BROAD STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19102
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-03-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000077281</issuerCik>
        <issuerName>PENNSYLVANIA REAL ESTATE INVESTMENT TRUST</issuerName>
        <issuerTradingSymbol>PEI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001203107</rptOwnerCik>
            <rptOwnerName>GRAYSON DOUGLAS S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PENN. REAL ESTATE INVESTMENT TRUST</rptOwnerStreet1>
            <rptOwnerStreet2>THE BELLEVUE, 200 S. BROAD ST.</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP-Development</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Shares of Beneficial Interest, par value $1.00 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2009-03-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36630</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Douglas S. Grayson</signatureName>
        <signatureDate>2009-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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