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TUPE — Resign Due to Substantial Change Letter Template
How to resign and assert constructive dismissal due to a substantial change following TUPE — what to include, your legal rights, and a free letter generator.
← All Letter Templates · TUPE & Pension Rights · 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 resign and assert constructive dismissal due to a substantial change following TUPE, 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 tupe — resign due to substantial change should include, plus a free tool to generate yours.
What this letter needs to cover
- Identify the substantial change to working conditions that is to the material detriment of the employee
- State the employee is treating themselves as dismissed
- Confirm intention to bring a tribunal claim
- Invite ACAS conciliation
See our full letter template library for related templates, or use our free checkers for guidance specific to your situation.
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