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Sickness During Annual Leave — Holiday Return Request Letter Template
How to request that days you were ill during annual leave are returned to your entitlement — what to include, your legal rights, and a free letter generator.
← All Letter Templates · Holiday Pay & Leave · Last updated 18 August 2026
This is free rights guidance, not legal advice. For advice specific to your situation, see our About page or contact Citizens Advice.
If you need to request that days you were ill during annual leave are returned to your entitlement, a written letter is the recommended first step — it creates a clear record and shows you're pursuing the matter formally. Below is what a strong sickness during annual leave — holiday return request should include, plus a free tool to generate yours.
What this letter needs to cover
- Reference EU and UK case law confirming workers who fall ill during annual leave may take leave at another time
- Attach or offer medical evidence
- Request the specific days are returned to annual leave entitlement
See our full letter template library for related templates, or use our free checkers for guidance specific to your situation.
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