-----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,
 O2eGRzFfCn3R3L3Tzju28rk8+hQ2ahQhrpf2gIyMpjnYvWlz/sihDbCPkMdDKva6
 hE0wWA3uhQjgk0Sfsbf8NQ==

<SEC-DOCUMENT>0001209191-03-028090.txt : 20031103
<SEC-HEADER>0001209191-03-028090.hdr.sgml : 20031103
<ACCEPTANCE-DATETIME>20031103134704
ACCESSION NUMBER:		0001209191-03-028090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031031
FILED AS OF DATE:		20031103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CASCIO MICHAEL J
		CENTRAL INDEX KEY:			0001226532

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22280
		FILM NUMBER:		03972415

	BUSINESS ADDRESS:	
		STREET 1:		C/O PHILADELPHIA INS CO
		STREET 2:		ONE BALA PLAZA SUITE 100
		CITY:			BALA CYNWYD
		STATE:			PA
		ZIP:			19004
		BUSINESS PHONE:		8008734552

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PHILADELPHIA CONSOLIDATED HOLDING CORP
		CENTRAL INDEX KEY:			0000909109
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				232202671
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE BALA PLAZA
		STREET 2:		SUITE 100
		CITY:			WYNNEWOOD
		STATE:			PA
		ZIP:			19004
		BUSINESS PHONE:		6106428400

	MAIL ADDRESS:	
		STREET 1:		ONE BALA PLAZA
		STREET 2:		SUITE 100
		CITY:			BALA CYNWYD
		STATE:			PA
		ZIP:			19004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGUIRE HOLDING CORP
		DATE OF NAME CHANGE:	19930714
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-10-31</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000909109</issuerCik><issuerName>PHILADELPHIA CONSOLIDATED HOLDING CORP</issuerName>        <issuerTradingSymbol>PHLY</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001226532</rptOwnerCik><rptOwnerName>CASCIO MICHAEL J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>SUITE 100</rptOwnerStreet1><rptOwnerStreet2>ONE BALA PLAZA</rptOwnerStreet2><rptOwnerCity>BALA CYNWYD</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>19004</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDeriv
ativeTransaction><securityTitle><value>Common Stock (no par value)</value></securityTitle><transactionDate><value>2003-10-31</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>77</value></transactionShares><transactionPricePerShare><value>39.55</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>334</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes></footnotes><remarks></remarks><ownerSignature><signatu
reName>Craig P. Keller, Attorney-in-Fact</signatureName><signatureDate>2003-11-03</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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