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Residence in Belgium after marriage or legal cohabitation

The marriage or cohabitation project does not carry the file forever. Once the union has actually happened in Belgium, the issue becomes residence. At that point the marriage certificate or legal-cohabitation declaration, identity records, residence documents and the records read by the municipality or Immigration Office all have to line up.

Understand the process
Last updated Editorial lead : Hiliyeh Bashir4 sources

The file does not end once the union happens

A visa D for marriage or legal cohabitation opens a door; it does not finish the job. Once the union is real, residence has to be documented in the correct framework. If you keep presenting the case as a mere project when the marriage or cohabitation already exists, you slow yourself down.

What the municipality and residence authorities look at

They look at the official existence of the union, coherent identities, continuity of residence and the readability of the records. A properly documented Belgian union helps, but if foreign records that still matter are badly authenticated or badly translated, the file can still limp.

Translate the core records that still matter

After the union, not everything needs to be translated again. What mainly needs to stay readable are the records still carrying the residence step: useful family records, identities, any judgments and any additional proof still requested.

Documents to prepare

  • Belgian marriage certificate or official proof of legal cohabitation
  • Passport, visa and coherent identity documents
  • Records requested by the municipality or Immigration Office for the next residence step
  • Apostille or legalisation of any foreign records that still matter
  • Sworn translation of the records the authority will actually use

Steps to follow

  1. Prove the union as it now exists

    Move from project to records: a properly issued marriage certificate or legal-cohabitation declaration.

  2. Clean up continuity of residence

    Check that the visa, identity records and administrative situation tell one continuous, readable story.

  3. Translate the records that still decide the case

    Do not retranslate your entire past. Translate what the municipality or Immigration Office still read for the next step.

  4. File in the correct framework

    Then present the case as a residence file based on an existing union, not as a project still stuck at the visa stage.

Good to know

Guides

On the same topic

Other steps to prepare. Marriage and legal cohabitation.

Foreign marriage and then family reunification in Belgium

Connect the steps concerning a foreign marriage with family reunification.

Visa D for marriage or legal cohabitation in Belgium

Which documents to prepare for a Belgium visa D for marriage or legal cohabitation, including relationship evidence, apostille and sworn translation.

Transcribe a foreign marriage certificate in Belgium

When and how to transcribe a foreign marriage certificate in Belgium, with apostille, legalisation and sworn translation if needed.

Guides

Guides related to your documents and circumstances.

Birth certificate for family reunification in Belgium

Prepare the birth certificate used to establish parentage.

Interpreter for an Immigration Office interview

Immigration Office, interview, understanding, rereading and an interpreter: understand when interpretation truly protects the appointment.

Birth certificate for the Immigration Office in Belgium

What the Immigration Office actually wants to read on a birth certificate: usable parentage, coherent identity, any needed legalisation and a sworn translation without the usual mistakes.

For your application

Marriage and legal cohabitation

From the marriage visa to residence after the union, with the right records at the right time.

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Frequently asked questions

+Is the visa D enough on its own once the marriage has happened?
No. Once the union exists, the issue becomes the next residence step. That requires a file built for that stage.
+Do I need everything translated again after marriage or legal cohabitation?
No. Translate what is still genuinely read for residence purposes, not everything used for the original project.
+Does the municipality read the same records as the visa post?
Not exactly. The post mainly read the project; the municipality and residence step mainly read the now-existing union and the administrative continuity.
+What if some foreign records still matter after the union?
Check authentication first and then translate the elements that are still actually relied on.
+Does this page replace the marriage/cohabitation visa guide?
No. It covers the next stage, once the union already exists and the file shifts toward residence.

Official source

Official sources used

The references below are the public sources used to document this page. The competent authority always retains the final decision.

Official sourceImmigration Office - Visa D en vue de se marier ou de cohabiterOfficial sourceImmigration Office - Family reunification visa DOfficial sourceBelgium.be - Statutory cohabitationOfficial sourceImmigration Office - Family reunification with a Belgian sponsor

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