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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001363829</issuerCik>
        <issuerName>Enstar Group LTD</issuerName>
        <issuerTradingSymbol>ESGR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332638</rptOwnerCik>
            <rptOwnerName>STONE POINT CAPITAL LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STONE POINT CAPITAL LLC</rptOwnerStreet1>
            <rptOwnerStreet2>20 HORSENECK LANE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830-6327</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001492231</rptOwnerCik>
            <rptOwnerName>Stone Point GP Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STONE POINT CAPITAL LLC</rptOwnerStreet1>
            <rptOwnerStreet2>20 HORSENECK LANE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830-6327</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001492068</rptOwnerCik>
            <rptOwnerName>Trident V Parallel Fund, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STONE POINT CAPITAL LLC</rptOwnerStreet1>
            <rptOwnerStreet2>20 HORSENECK LANE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830-6327</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001459925</rptOwnerCik>
            <rptOwnerName>TRIDENT V, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STONE POINT CAPITAL LLC</rptOwnerStreet1>
            <rptOwnerStreet2>20 HORSENECK LANE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830-6327</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2022-05-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>89790</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>222.74</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1546196</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Consists of ordinary shares (&quot;Shares&quot;) of Enstar Group Ltd. (&quot;Enstar&quot;) sold by Trident Public Equity LP, (a) 51,450 Shares on behalf of Trident V, L.P. (&quot;Trident V&quot;), (b) 36,083 Shares on behalf of Trident V Parallel Fund, L.P. (&quot;Trident V Parallel&quot;) and (c) 2,257 Shares on behalf of Trident V Professionals Fund, L.P. (&quot;Trident V Professionals&quot;).</footnote>
        <footnote id="F2">Consists of Shares held by Trident Public Entity LP, (a) 885,977 Shares held for the benefit of Trident V, (b) 621,347 Shares held for the benefit of Trident V Parallel, and (c) 38,872 Shares held for the benefit of Trident V Professionals. Stone Point Capital LLC and certain of its subsidiaries may be deemed to beneficially own the Shares held on behalf of one or more of Trident V, Trident V Parallel, Trident V Professionals, and Trident Public Equity LP. Each of the reporting persons disclaims beneficial ownership of the Shares disclosed herein except to the extent of such person's pecuniary interest therein, if any.</footnote>
    </footnotes>

    <remarks>James D. Carey, a managing director of Stone Point Capital LLC, is a member of the Board of Directors of Enstar. Mr. Carey is a member of the investment committee and owner of one of the four general partners of the general partners of each of Trident V and Trident V Parallel. Mr. Carey is a shareholder and director of Stone Point GP Ltd., which is the general partner of Trident V Professionals. On the basis of the relationships between Mr. Carey and the reporting persons, the reporting persons may be deemed directors by deputization in respect of Enstar.</remarks>

    <ownerSignature>
        <signatureName>Stone Point Capital LLC, By: /s/ Jacqueline Giammarco, Chief Compliance Officer</signatureName>
        <signatureDate>2022-05-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Stone Point GP Ltd., By: /s/ Jacqueline Giammarco, Vice President</signatureName>
        <signatureDate>2022-05-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Trident V Parallel Fund, L.P., By: By: Trident Capital V, L.P., its sole general partner, By:DW Trident V, LLC, a general partner, By: /s/ Jacqueline Giammarco, Vice President</signatureName>
        <signatureDate>2022-05-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Trident V, L.P., By: Trident Capital V, L.P., its sole general partner, By:DW Trident V, LLC, a general partner, By: /s/ Jacqueline Giammarco, Vice President</signatureName>
        <signatureDate>2022-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
