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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2019-10-16</periodOfReport>

    <dateOfOriginalSubmission>2019-10-18</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001726548</issuerCik>
        <issuerName>BC Partners Lending Corp</issuerName>
        <issuerTradingSymbol>BCPL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001738065</rptOwnerCik>
            <rptOwnerName>BC Partners Investment Holdings Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BC PARTNERS LENDING CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>650 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001709681</rptOwnerCik>
            <rptOwnerName>BC Partners Holdings Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BC PARTNERS ADVISORS L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>650 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4/A amends and restates the original Form 4 filed by the Reporting Persons on October 18, 2019 (the &quot;Original Form 4&quot;).  Due to administrative error, the Original Form 4 incorrectly reported the number of shares purchased by Investment Holdings Limited on October 16, 2019 and the number of shares beneficially owned following such transaction.</footnote>
        <footnote id="F2">These securities are held directly by Investment Holdings Limited.  The sole owner of the voting shares of Investment Holdings Limited is Fee Holdings Limited.  Fee Holdings Limited is a wholly-owned subsidiary of BC Partners Holdings Limited.</footnote>
        <footnote id="F3">These securities are held directly by BC Partners Investment Holdings Limited. BC Partners Investment Holdings Limited is a wholly-owned subsidiary of BC Partners Holdings Limited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>BC PARTNERS INVESTMENT HOLDINGS LIMITED, By:/s/ Matthew Elston, Name: Matthew Elston, Title: Director</signatureName>
        <signatureDate>2019-10-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>BC PARTNERS HOLDINGS LIMITED, By:/s/ Matthew Elston, Name: Matthew Elston, Title: Director</signatureName>
        <signatureDate>2019-10-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
