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"Do I have to stop working while you file this?" An extension, and the answer that changed the year

A returning client running her own UK business asked one question about her spouse visa extension: would she have to leave the UK while it was decided?
Spouse / Partner Visa
Married couple in the UK

A returning client came back five months before her visa expired, running a UK business she had built since her first application. Her question was not about the extension. It was whether she would have to leave the country while it was decided.

At a glance

  • Client: Dutch national, married to a British citizen, owner of a UK business
  • Matter: Further leave to remain, spouse visa extension
  • Relationship to firm: Returning client; AY&J handled her original spouse visa
  • Visa expiry: 12 December 2026
  • Instructed: 24 July 2026, five months ahead of expiry

How they found us

She came back on her own initiative, citing her experience of the original application and asking for the same senior associate by name.

The challenge

  • Her current leave expired on 12 December 2026 and she approached the firm five months early to prepare properly.
  • She now ran her own UK business, and her live worry was whether she would have to leave the country while the Home Office considered the application.
  • Her passport expired in March 2027 and was being replaced through her embassy mid-matter, so the submission had to use the new document.
  • A transfer of equity on the couple's property was in progress, changing the accommodation and financial picture during the application window.

What we did

  • Answered the question she actually asked. Provided the extension is submitted before her current leave expires, her leave continues under section 3C of the Immigration Act 1971. She could remain in the UK and keep running the business until a decision was made.
  • Sequenced the passport. Advised that the application should be submitted on the new document once issued, and asked for a copy on receipt.
  • Mapped the extension against Appendix FM. Eligibility assessment, tailored document checklist, evidence review, online application, legal representations, biometrics booking, and representation through to decision.
  • Started early enough to absorb the moving parts. The passport replacement and the equity transfer both landed inside the preparation window rather than during a rushed submission.

The outcome

Her main worry was solved. She knew she could stay in the UK and keep running her business while the Home Office decided her extension. The new passport and the change in the property were both handled in good time, so nothing had to be rushed.

Why it matters

A great deal of the anxiety around extensions is not about whether they will be granted. It is about what the applicant is allowed to do while waiting. Section 3C is one of the most reassuring provisions in the rules and one of the least understood by the people it protects.