<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-09-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001193558</issuerCik>
        <issuerName>AMERICAN FINANCIAL REALTY TRUST</issuerName>
        <issuerTradingSymbol>AFR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001248586</rptOwnerCik>
            <rptOwnerName>HUFFMAN SONYA A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN FINANCIAL REALTY TRUST</rptOwnerStreet1>
            <rptOwnerStreet2>1725 THE FAIRWAY</rptOwnerStreet2>
            <rptOwnerCity>JENKINTOWN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19046</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP - Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2005-09-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2756</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.56</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>115336</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.00</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2012-09-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>125000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Partnership Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on August 30, 2005 principally for the purpose of applying the proceeds from sales under such plan to the taxes that become payable at periodic vesting of the Reporting Person's restricted share awards.</footnote>
        <footnote id="F2">This amount includes:  (i) 16,092 restricted common shares issued on January 4, 2005 pursuant to the Issuer's 2002 Equity Incentive Plan (Plan), which shares vest 25% on the first anniversary of the date of issuance and in equal installments of 6.25% at the end of each quarter thereafter; (ii) 30,000 restricted common shares issued on January 2, 2004 pursuant to the Issuer's Plan, which shares which shares vest 25% on the first anniversary of the date of issuance and in equal installments of 6.25% at the end of each quarter thereafter; and (iii) 72,000 restricted common shares issued on July 1, 2003 pursuant to the Issuer's Plan, which shares vest 33.33% on the first anniversary of the date of issuance and in equal installments of 8.33% at the end of each quarter thereafter.  The Reporting Person has sold a portion of the vested shares as reported in this Form 4.</footnote>
        <footnote id="F3">This option was granted on September 10, 2002 under the Issuer's 2002 Equity Incentive Plan.  The option will vest and become exercisable at a rate of 25% on the first anniversary of the date of grant and in equal installments of 6.25% at the end of each quarter thereafter.</footnote>
        <footnote id="F4">Pursuant to Section 8.04 of the Amended and Restated Agreement of Limited Partnership of First States Group, L.P., the issuer's operating partnership, units of the operating partnership may be converted into common shares on a one-for-one basis, subject to adjustments for stock splits, dividends, recapitalizations and similar events or, at the issuer's option, redeemed for a cash amount equal to the value of common shares for which the units would otherwise be converted.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Edward J. Matey Jr.
By:  Edward J. Matey Jr. as Attorney-in-fact for Sonya A. Huffman</signatureName>
        <signatureDate>2005-09-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
