Constructive Dismissal Explained

What is constructive dismissal?

Constructive dismissal occurs when your employer has acted in such a way that you are left with no reasonable alternative but to resign. In legal terms, your employer has committed a repudiatory breach of contract — a fundamental breach serious enough that it entitles you to treat yourself as dismissed.

The key point: you resign, but the law treats it as a dismissal. This means you can bring an unfair dismissal claim at the employment tribunal — provided you have 2 years' continuous service and you resign within a reasonable time of the breach.

What counts as a fundamental breach of contract?

Common examples include:

• A significant pay cut without agreement
• A major change to your role, location or working hours without agreement
• Bullying, harassment or discrimination that the employer fails to address
• Undermining your authority without justification
• Breaching the implied duty of trust and confidence
• Failing to address a formal grievance
• False accusations of misconduct
• Creating an unbearable working environment that the employer refuses to remedy

The implied duty of mutual trust and confidence

Every employment contract contains an implied term that employer and employee will not, without reasonable cause, act in a manner likely to destroy or seriously damage the relationship of trust and confidence. Breach of this implied term is the most commonly relied-upon basis for constructive dismissal claims — because it is broad enough to capture many different forms of employer misconduct.

The "last straw" doctrine

You do not have to resign immediately after a single act. Courts recognise that constructive dismissal can occur through a series of acts, none of which individually would constitute a repudiatory breach, but which cumulatively do so. A relatively minor final act — the "last straw" — can crystallise a claim based on the accumulated history.

However, you must resign within a reasonable time of the last straw. Continuing to work for many months after the act may be treated as affirming (accepting) the breach — which destroys the claim.

Steps before resigning

1. Keep records — Document incidents, dates, witnesses, and your employer's responses (or failure to respond)
2. Raise a formal grievance — In most cases, you should raise a formal grievance before resigning. Failure to do so may reduce any compensation by up to 25% (ACAS code)
3. Take legal advice — Before you hand in your notice, consult an employment solicitor. This is a critical step and can make the difference between a strong claim and a failed one
4. Consider without prejudice discussions — If you want to leave, a without prejudice conversation about a settlement agreement may achieve a better outcome than resigning and litigating

What compensation can you get?

If successful, constructive dismissal compensation is calculated the same way as unfair dismissal: a basic award (based on age, service and weekly pay) plus a compensatory award for financial loss. The same £115,115 cap applies — being abolished in January 2027.

If the constructive dismissal involved discrimination, there is no cap and injury to feelings can be awarded additionally.

Settlement vs tribunal for constructive dismissal

Constructive dismissal claims can be complex and uncertain — the tribunal must find that the employer committed a repudiatory breach and that you resigned in response to it. Many employers will prefer to settle rather than defend such a claim publicly. If you have a well-documented constructive dismissal situation and take early legal advice, a significant settlement agreement is often achievable before proceedings are even issued.