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What to do if…
your probation period is being extended unexpectedly

Produced and maintained by PanicStation.org Published: Last reviewed: Editorial policy UK guide

Short answer

Do not resign, argue, or sign new terms in the shock of the moment. Ask for the extension in writing, including the new end date, the reasons, and exactly what you need to show to pass.

Do not do these things

  • Do not resign on the spot or threaten to quit while you are shocked.
  • Do not agree to unclear terms such as “we’ll see how it goes” without a date, reasons, and expectations.
  • Do not sign a new letter or contract immediately if you have not read it carefully.
  • Do not send an angry message before you know exactly what concerns are being raised.
  • Do not assume it is automatically standard, unlawful, or final until you have checked your contract, handbook, and the written explanation.
  • Do not ignore it if the extension appears linked to sickness, disability, pregnancy, maternity, caring responsibilities, or another protected-characteristic issue.

What to do now

  1. Ask for the extension in writing.
    Ask them to confirm the new probation end date, the reasons for extending, and what you must demonstrate to pass. Also ask whether anything else changes, such as notice period, pay review timing, bonus eligibility, or benefits.

  2. Check your contract, offer letter, written statement, handbook, and probation policy.
    Look for whether probation can be extended, who can authorise it, what notice you should get, and whether probation affects notice, pay reviews, benefits, or bonus rules.

  3. Do not sign unclear changes immediately.
    If the extension letter changes something that looks like a contractual term, ask HR to confirm exactly what is changing and whether they consider it a contract change. You can say: “I need time to read this before I respond.”

  4. Turn the extension into a measurable written plan.
    Ask for 2–5 clear objectives, how they will be assessed, what support will be provided, and when check-ins will happen. Ask for the final review meeting date to be put in the diary.

  5. Send a calm follow-up email after any conversation.
    Keep it factual: “Thanks for meeting. My understanding is that my probation is extended until [date] because of [reasons]. The objectives are [objectives]. The support agreed is [support]. The check-in dates are [dates]. Please let me know if I have misunderstood anything.”

  6. Name any health, pregnancy, maternity, disability, or caring issue carefully and early if it is relevant.
    If absence, illness, disability, pregnancy-related illness, maternity leave, caring responsibilities, or another protected-characteristic issue may be part of the background, ask in writing what support or adjustments will be considered and how the review will avoid unfair disadvantage.

  7. Use the internal route if the extension seems unfair, inconsistent, or retaliatory.
    Ask HR for the grievance procedure and write a short timeline of what happened, what you are concerned about, and what you want next, usually clarity, a fair review, or corrected records.

  8. Ask about bringing someone if the meeting becomes formal.
    For a formal grievance meeting about a legal or contractual duty, you can usually ask to be accompanied by a workplace colleague, trade union representative, or trade union official. For informal probation meetings, you can still ask whether someone may attend.

  9. Get confidential practical guidance before escalating.
    If you are unsure how to phrase your concerns, what your contract means, or what process applies, contact Acas for guidance before sending a long complaint or making threats.

What can wait

  • You do not need to decide today whether to stay long-term, resign, or start a formal dispute.
  • You do not need to write a long defence statement now; first get the new end date, reasons, criteria, and support in writing.
  • You do not need to threaten legal action to get basic clarity.
  • You do not need to solve every future career question before the next probation review is properly defined.

Important reassurance

A probation extension is not automatically a dismissal or a final decision about your job. Getting the reasons, terms, dates, and targets in writing gives you a safer pause and reduces the chance of misunderstandings.

Scope note

These are first steps only, focused on stabilising the situation, getting clarity in writing, and avoiding irreversible moves. Later decisions may need specialist employment, union, legal, or workplace advice.

Important note

This is general information, not legal advice. Employment rights and processes depend on your contract, workplace policies, employment status, length of service, and the reasons for the employer’s actions.

Additional Resources

Closely connected guides that may be useful during the same situation or its immediate aftermath.

About this guide

This guide was produced and is maintained by PanicStation.org using its published editorial process. Official and specialist sources are checked where relevant, and AI-assisted tools may be used for drafting, organisation, and consistency checks. The site operator remains responsible for publication, revision, and removal decisions.

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