Limitation Period for Constructive Dismissal Tribunal Claims

Constructive dismissal occurs when an employee resigns because their employer has committed a serious breach of contract, making continued employment untenable. Although the employee resigns voluntarily, the law may treat the resignation as a dismissal if the employer's conduct amounts to a fundamental breach of contract.

In England and Wales, claims for constructive dismissal are typically brought in an Employment Tribunal as unfair dismissal claims. A key procedural requirement is the strict limitation period. If a claim is submitted outside the permitted time limit, it will usually be rejected regardless of the underlying facts.

This article explains the limitation rules, how time is calculated, and the practical steps involved in bringing a claim.

Legal Basis for Constructive Dismissal Claims

Constructive dismissal is not a standalone legal claim in most cases. Instead, it is treated as a form of unfair dismissal under the Employment Rights Act 1996.

To succeed, an employee must generally show:

• A fundamental breach of contract by the employer
• Resignation in response to that breach
• No undue delay in resigning (affirmation of contract issues may arise)

A leading authority on the legal test is Western Excavating (ECC) Ltd v Sharp, which established that the breach must go to the root of the contract.

Standard Limitation Period for Tribunal Claims

Three Months Less One Day Rule

The limitation period for constructive dismissal claims in the Employment Tribunal is:

3 months less 1 day from the effective date of termination (EDT).

In constructive dismissal cases, the EDT is usually:

• The date the employee resigns (with immediate effect), or
• The end of the notice period if notice is given and worked

This is because the resignation is treated as the dismissal event for limitation purposes.

Determining the Effective Date of Termination in Constructive Dismissal

Correct identification of the EDT is essential. In constructive dismissal cases:

• If the employee resigns without notice, the EDT is the resignation date
• If notice is given, the EDT is the final day of employment
• If the employee is placed on garden leave, the EDT is still typically the contractual end date

Errors in identifying the EDT are a common reason claims are submitted out of time.

ACAS Early Conciliation and Its Effect on Time Limits

Before issuing an Employment Tribunal claim, the claimant must notify ACAS and engage in Early Conciliation.

This affects limitation periods in the following way:

• The limitation clock is paused when ACAS Early Conciliation begins
• Time resumes when ACAS issues an Early Conciliation Certificate
• A short additional period is usually granted after the certificate is issued

If Early Conciliation is started after the limitation period has expired, the claim will not be revived.

Continuing Acts and Ongoing Conduct

Constructive dismissal often involves a pattern of employer behaviour rather than a single incident. Examples include:

• Ongoing bullying or harassment
• Repeated breaches of contractual terms
• Sustained failure to address grievances

However, limitation time still runs from the EDT, not from earlier incidents. Earlier conduct may be relevant to proving the claim but does not extend the deadline.

Exceptions and Extensions to Time Limits

Tribunals have limited discretion to extend the limitation period. Extensions are only granted in narrow circumstances, such as:

• Where it was not reasonably practicable to submit the claim in time (for unfair dismissal-type claims)
• Where ACAS Early Conciliation timing rules provide limited additional time
• Exceptional procedural circumstances

In practice, extensions are uncommon, and strict compliance is expected.

Common Mistakes in Constructive Dismissal Limitation Calculations

1. Confusing resignation date with last working day

The EDT is not always the last day physically worked, particularly if notice is given.

2. Delaying resignation too long

If an employee waits too long after a breach, it may be argued that the contract was affirmed, affecting both liability and timing.

3. Assuming grievance procedures extend time

Internal processes such as grievances or appeals do not usually pause limitation periods.

4. Late ACAS notification

If ACAS is contacted after the deadline, the claim cannot generally proceed.

Relationship Between Constructive Dismissal and Other Claims

Constructive dismissal claims are often accompanied by related claims, including:

• Unpaid wages or holiday pay
• Discrimination claims
• Breach of contract claims

Each claim type may have different limitation rules. For example:

• Unfair dismissal: 3 months less 1 day
• Discrimination: 3 months less 1 day from the last act
• Breach of contract (civil courts): up to 6 years

Understanding how claims interact is important when multiple issues arise from the same employment relationship.

Practical Steps in Managing Time Limits

A structured approach is typically required:

1. Identify the last act of employer conduct causing resignation
2. Confirm the resignation date and calculate the EDT
3. Calculate 3 months less 1 day from the EDT
4. Notify ACAS before the deadline
5. Allow for Early Conciliation pause and certificate issuance
6. Submit the ET1 claim form promptly after conciliation

Time calculations should be completed early to avoid procedural dismissal.

Consequences of Missing the Limitation Period

If a constructive dismissal claim is submitted late:

• The tribunal will usually reject it without considering the merits
• The claim may only proceed if an extension is granted in limited circumstances
• Related claims may also be affected if submitted together
• Settlement leverage may be significantly reduced

Time limits are therefore treated as a threshold legal requirement.

Key Takeaways

The limitation period for constructive dismissal tribunal claims is generally 3 months less 1 day from the effective date of termination, which is usually the date of resignation or contractual termination following notice. ACAS Early Conciliation pauses the limitation clock but does not extend expired deadlines. Tribunals apply these rules strictly, and missing the deadline will normally prevent the claim from proceeding.

Accurate identification of the resignation date, correct calculation of the EDT, and timely initiation of ACAS Early Conciliation are essential to preserving the right to bring a claim.