This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Detailed guide to ACAS Early Conciliation in redundancy disputes in England and Wales. Learn how Early Conciliation works, why it's mandatory before tribunal claims, how it pauses statutory time limits, the extended 12‑week period from December 2025, practical steps for settlement and what happens if no agreement is reached.

Before most redundancy‑related claims can be taken to an employment tribunal in England and Wales - including unfair redundancy dismissal, failure to pay statutory redundancy or discriminatory redundancy processes - a mandatory step is Early Conciliation with ACAS. Early Conciliation is a free, statutory process designed to encourage early resolution of workplace disputes and reduce the need for formal litigation. This article explains what Early Conciliation is, how it operates in the context of redundancy disputes, key procedural steps, time limits, practical outcomes and common questions claimants and employers face.
What Is ACAS Early Conciliation?
Early Conciliation is a process provided by the Advisory, Conciliation and Arbitration Service (ACAS) that offers employees and employers the opportunity to resolve disputes before the cost and stress of an employment tribunal. When a prospective claimant tells ACAS of their intention to bring a tribunal claim, ACAS will offer Early Conciliation, during which an independent conciliator speaks separately with the employee and employer to explore whether a settlement can be reached without litigation.
This process applies to most redundancy disputes (for example unfair dismissal claims related to redundancy, failure to pay statutory redundancy, discrimination linked to redundancy or claims for protective awards for consultation failures). Early Conciliation is not an optional tick‑box after a claim is filed - in most cases it must be started before a tribunal claim can be submitted. The conciliator's role is neutral; ACAS does not act as legal representative for either side or provide legal advice.
Why Early Conciliation Matters in Redundancy Disputes
Early Conciliation serves several functions:
- It provides a structured dialogue between the parties that can lead to settlement without formal proceedings.
- It pauses the statutory time limit for bringing a tribunal claim, allowing more time for negotiation and case preparation without the claimant losing their right to file a claim later.
- It generates an ACAS Early Conciliation Certificate, which is required to proceed with an employment tribunal claim using form ET1 if no settlement is reached.
In redundancy disputes - where emotions, financial stakes and procedural complexity can be high - engaging with Early Conciliation often helps clarify issues early and may preserve workplace relationships where that is desirable.
How Early Conciliation Works
Step 1: Notify ACAS
The first formal step is notification to ACAS of your intention to make a tribunal claim. This is usually done by completing the early conciliation notification form online or by telephone. You should notify ACAS within your tribunal time limit (commonly three months minus one day for most redundancy‑linked unfair dismissal claims). If statutory redundancy pay is in dispute, the time limit is usually six months minus one day.
Step 2: Agree to Early Conciliation
Once ACAS receives notification, they will offer Early Conciliation. You can choose to engage in conciliation or decline and request the Early Conciliation Certificate immediately. If both parties agree to engage, ACAS will allocate a conciliator to handle the case.
Step 3: The Conciliation Process
The ACAS conciliator will contact each party to discuss the dispute. They explore whether a negotiated settlement is possible, help both sides understand the issues, and facilitate offers or counter‑offers. The conciliator does not provide legal advice or make judgements about the merits of the case; their role is to support constructive dialogue.
Both parties can use representatives during Early Conciliation, such as solicitors, union representatives or other advisors.
Step 4: End of Early Conciliation
If a settlement is reached during Early Conciliation, it is recorded in a conciliation agreement (often a COT3) which is legally binding once signed by both parties. A settlement typically includes agreed financial terms and may include other terms to resolve the dispute. If a COT3 is agreed, the claimant cannot pursue the same matter in a tribunal.
If no settlement is reached within the Early Conciliation period, ACAS issues an Early Conciliation Certificate with a unique number that is needed to submit an employment tribunal claim.
Time Limits and the “Stop the Clock” Rule
Strict Tribunal Deadlines
Employment tribunal claims are subject to strict time limits. Most redundancy‑related complaints (for example unfair dismissal or discrimination) must be notified to ACAS within three months less one day of the event giving rise to the complaint (such as the effective date of dismissal). Claims for statutory redundancy pay typically have a six months less one day deadline. Grievance procedures, disciplinary appeals or internal negotiations do not extend statutory time limits.
Early Conciliation Pauses the Deadline
When you notify ACAS of your intention to bring a claim within the applicable time limit, the statutory deadline is “paused” from the date ACAS receives your notification until the Early Conciliation Certificate is issued. This means the period during which ACAS attempts conciliation does not count against your tribunal deadline, giving a claimant extra time to prepare their ET1 if conciliation does not resolve the dispute.
New Extended Early Conciliation Period
Effective from 1 December 2025, the maximum period for Early Conciliation has increased from six weeks to 12 weeks for claims notified on or after that date. This change reflects updated regulations and aims to give parties more time to negotiate meaningful settlements before resorting to litigation. During this extended period, the statutory time limit for the tribunal claim is paused throughout the conciliation duration. Once the Early Conciliation Certificate is issued, claimants typically have at least one calendar month from the certificate date to submit their ET1.
Benefits of Early Conciliation in Redundancy Disputes
Increased Settlement Opportunities
Early Conciliation can lead to a negotiated compromise on redundancy pay, compensatory sums, reference wording, or other terms without the cost, delay and formality of a tribunal.
Time Efficiency
Settlement during Early Conciliation can be faster than waiting for a tribunal hearing, which can take many months from submission to hearing. The ACAS process, even when extended to 12 weeks, is generally shorter than tribunal proceedings for many disputes.
Confidentiality
Unlike tribunal hearings, which are public, conciliation discussions and outcomes remain confidential. This can be an important consideration where reputational risk or privacy is a concern.
Cost Savings
Resolutions reached at conciliation often avoid legal and expert fees associated with tribunals and reduce the risk of adverse costs, even though tribunal costs do not generally include fee shifting.
Practical Considerations in Redundancy Early Conciliation
Be Prepared and Responsive
Claimants should prepare relevant documents (contracts, redundancy notices, correspondence) before notifying ACAS, and respond promptly to conciliator communications. Delays reduce valuable negotiation time.
Understand Your Rights
ACAS cannot provide legal advice on the strength of a claim. Claimants should independently consider their legal position and may seek advice from solicitors, trade unions or advisory bodies like Citizens Advice before and during Early Conciliation.
Representations and Negotiations
Parties can bring representatives to Early Conciliation, making it potentially more effective. Employers can address concerns early and potentially design bespoke settlements that avoid tribunal litigation.
After the Certificate
Once conciliation ends without resolution, the claimant must ensure the tribunal claim (ET1 form) is submitted within the remaining deadline, accounting for the paused period. Failing to submit the claim within the adjusted timeframe risks the claim being rejected by a tribunal.
Common Questions
Do I have to take part in Early Conciliation?
Yes, in most cases, a prospective employment tribunal claimant must notify ACAS and go through Early Conciliation before lodging a tribunal claim, although either party can choose not to engage in negotiations after notification.
Will Early Conciliation delay my tribunal rights?
Early Conciliation pauses the statutory time limit and therefore generally extends the period within which you can submit a claim. This provides more time to pursue your case rather than delaying or reducing your rights.
What happens if we reach a settlement?
Agreements reached in Early Conciliation are usually recorded in a COT3 conciliation agreement, which is legally binding once signed and prevents the matter from being pursued in a tribunal.
Key Takeaways
ACAS Early Conciliation is a mandatory pre‑tribunal process for most redundancy disputes in England and Wales. It offers a confidential, impartial forum for employees and employers to reach settlement agreements without formal tribunal proceedings. Early conciliation pauses statutory tribunal time limits, giving claimants extra time to prepare if no settlement is reached, and from 1 December 2025 the period during which ACAS can facilitate discussions has been extended up to 12 weeks. While ACAS does not provide legal advice, its role in reducing the need for litigation, saving time and costs, and facilitating meaningful resolutions is central to managing redundancy disputes before they escalate to employment tribunals.