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Probation Extension Letter Template

A probation extension letter tells an employee that their probationary period is being extended by a further, defined period instead of ending in confirmation or termination, because specific expectations have not yet been met. Employers use it to set out exactly what fell short, what improvement looks like, and when a final decision will be made.

Reach for this letter when a manager needs more time to judge whether an employee can meet the bar for the role, rather than making a final call at the scheduled end of probation. Being specific about what hasn't landed yet, and what support is on offer, gives the employee a real chance to close the gap.

Copy & adapt — replace every [placeholder]

Extension Notice

[COMPANY NAME]

[TODAY'S DATE]

Dear [EMPLOYEE FIRST NAME],

This letter is to inform you that your probationary period, due to end on [ORIGINAL PROBATION END DATE], is being extended by [EXTENSION LENGTH] to [NEW PROBATION END DATE].

This decision follows a review of your performance in the role of [JOB TITLE] with your manager, [MANAGER NAME].

Areas Not Yet Met

During this review, the following areas were identified as not yet meeting the expectations set for this role:

1. [SPECIFIC GAP, E.G. MISSED DEADLINES ON X]

2. [SPECIFIC GAP, E.G. QUALITY OF Y DELIVERABLE]

3. [SPECIFIC GAP, E.G. COMMUNICATION WITH Z STAKEHOLDERS]

What Improvement Looks Like

To be confirmed at the end of this extension, we expect to see: [MEASURABLE EXPECTATION 1, E.G. DEADLINES MET ON X].

[MEASURABLE EXPECTATION 2]

[MEASURABLE EXPECTATION 3]

Your manager will check in with you [FREQUENCY, E.G. EVERY TWO WEEKS] to review progress against these points.

Support Offered

To help you meet these expectations, we are offering: [SUPPORT, E.G. ADDITIONAL TRAINING, A MENTOR, ADJUSTED WORKLOAD].

Please raise anything else that would help during this period with [MANAGER NAME] or [HR CONTACT NAME].

We will confirm the specifics of this support in a separate conversation this week.

We want this extension to give you a genuine opportunity to succeed in the role.

Review Date & Decision

A final decision on your employment will be made on or before [NEW PROBATION END DATE], based on progress against the points above.

Possible outcomes at that point are confirmation in the role, a further extension, or ending your employment, depending on what the review shows.

Please sign below to acknowledge that you have received and understood this letter.

Acknowledged by: ______________________ Date: ____________

[SIGNATORY NAME], [SIGNATORY TITLE], [COMPANY NAME]

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How to use this template

  1. 1 Name the specific, observable gaps from the performance review rather than a vague sense that things aren't working.
  2. 2 Set a fixed extension length and new end date so the employee knows exactly when the next decision will be made.
  3. 3 Turn each gap into a measurable expectation the employee can actually aim at during the extension.
  4. 4 Agree on real support, such as training or a mentor, and name it in the letter rather than leaving it as a vague gesture.
  5. 5 Schedule regular check-ins during the extension so feedback keeps coming, instead of waiting silently until the new end date.

Tips

  • Be specific about what fell short - 'communication needs work' helps no one, but 'updates on X project were late three times' does.
  • Set a genuinely useful check-in cadence during the extension, not just a single meeting at the very end.
  • Say plainly what happens at the end of the extension - confirmation, a further extension or ending employment - so there's no ambiguity.
  • Offer real support rather than only naming the problem; an extension without help can feel like a formality before an exit.
  • Confirm your local rules on probation length and extensions before you finalise this letter, since maximum periods and required notice differ by jurisdiction.

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FAQ

Probation Extension Letter Template — FAQs

How long can a probation extension last? +
That depends on your employment contract and on the rules where you are hiring - some places cap total probation length, others leave it to the employer. Check what applies to your situation and keep the extension itself as short as genuinely needed.
How is this different from a probation confirmation letter? +
A confirmation letter closes out probation positively because performance met the bar. An extension letter instead names specific gaps, sets measurable expectations and pushes the final decision to a new date, giving the employee a defined chance to close those gaps.
Should an extension letter promise the employee will be confirmed afterward? +
No. State the possible outcomes honestly - confirmation, a further extension or ending employment - rather than implying the extension is a formality. Making a promise you might not keep undermines trust more than an honest, open outcome does.
What should happen alongside sending this letter? +
Ideally a conversation with the employee's manager before or right after they receive it, so the letter isn't the first time they hear specifics about the gaps. Regular check-ins during the extension matter more than the letter itself.
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