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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-09-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001792351</rptOwnerCik>
            <rptOwnerName>Investment Holdings Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BC PARTNERS, WEST WING, FLOOR 2</rptOwnerStreet1>
            <rptOwnerStreet2>TRAFALGAR COURT, LES BANQUES</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY14LY</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001792292</rptOwnerCik>
            <rptOwnerName>Fee Holdings Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BC PARTNERS, WEST WING, FLOOR 2</rptOwnerStreet1>
            <rptOwnerStreet2>TRAFALGAR COURT, LES BANQUES</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY14LY</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</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>2020-09-25</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200561.572</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These securities are held directly by BC Partners Co-Investment Holdings Limited. The sole owner of the voting shares of BC Partners Co-Investment Holdings Limited is BC Partners Group Holdings Limited. BC Partners Group Holdings Limited is a wholly-owned subsidiary of BC Partners Holdings Limited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>BC PARTNERS CO-INVESTMENT HOLDINGS LIMITED, /s/ Matthew Elston, By: Matthew Elston, Title: Director</signatureName>
        <signatureDate>2020-10-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>BC PARTNERS GROUP HOLDINGS LIMITED, /s/ Matthew Elston, By: Matthew Elston, Title: Director</signatureName>
        <signatureDate>2020-10-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
