Can I claim if I’ve already signed a settlement agreement?

In most cases, no — a valid settlement agreement waives your right to bring the claims listed in it. But there are situations where an agreement can be challenged, or where claims survive signing.

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What if I didn't get independent legal advice when I signed?

This makes the settlement agreement invalid. A settlement agreement is only enforceable if you received independent advice from a qualified adviser (solicitor, barrister, or trade union rep) covered by professional indemnity insurance. Without this, the agreement is not binding on you — you can still bring your claim.

What if the employer breaches the settlement agreement?

If the employer breaches the settlement (e.g., doesn't pay the agreed sum, breaks a reference clause), you can sue them in the civil courts for breach of contract. You do NOT need to go to tribunal. You'd claim damages for the unpaid amount or the breach.

What if I signed under pressure or duress?

If you signed under undue pressure, duress, or threat, the agreement may be voidable (not binding). You'd need to prove the pressure was illegal or coercive — simply being unhappy about the offer or job loss is not duress. Duress is a high bar: threats, blackmail, or threats to your safety.

What's the difference between a COT3 and a settlement agreement?

Both are binding. A COT3 is drawn up by ACAS during early conciliation and approved by both sides. A settlement agreement is a contract between you and the employer. Both must identify an independent adviser. Both are legally binding on the specified claims.

What if settlement was agreed verbally but not yet signed?

A verbal settlement agreement is generally not binding if it concerns specified legal claims. For an employment settlement to be valid, it must be in writing and meet all other requirements (independent advice, adviser details, identification of the claims). Until signed and witnessed properly, it's not enforceable.

Is there a time limit to challenge a settlement agreement?

Challenges to a settlement agreement are governed by contract law. Generally, you must challenge it within a reasonable time and before you lose remedies through delay. If you have grounds (lack of independent advice, misrepresentation, duress), act urgently on legal advice. The longer you wait, the harder the challenge.

Can I claim if I’ve already signed a settlement agreement?

A settlement agreement is binding if it was properly made. “Properly made” has a high bar — certain formalities must be met, or the agreement is invalid and your claim survives.

Last updated: April 2026 · Content reviewed against current UK employment law

What a valid settlement agreement does

Once signed, a valid settlement agreement is a final and binding resolution of your claims:

Waives the specified claims

You give up the right to bring to tribunal the claims listed in the agreement (eg. unfair dismissal, redundancy compensation, discrimination). These claims are settled and cannot be pursued.

Is binding on both parties

The employer is also bound by the agreement. They cannot refuse to pay the agreed sum, and you both must honour any other terms (eg. reference wording).

Employer pays in exchange

In exchange for waiving your claims, the employer agrees to pay you a lump sum. This is usually tax-free up to £30,000.

What makes a settlement agreement valid

All of these requirements must be met. If any one is missing, the agreement is invalid and you can still claim:

1. Must be in writing

The agreement must be a signed document — a verbal agreement, email, or text message is not valid.

2. Must relate to a specific complaint or proceedings

The agreement must specify which claims are being settled (eg. "unfair dismissal claim", "discrimination claim", "breach of contract claim"). A vague settlement of "all claims" is interpreted narrowly — claims not clearly contemplated may survive.

3. You must have received advice from a qualified independent adviser

Before signing, you must take advice from a qualified person: a solicitor, barrister, or accredited trade union representative. The adviser must be independent (not the employer's lawyer). Generic HR advice does not count.

4. The adviser must be covered by professional indemnity insurance

The adviser — usually a solicitor — must carry professional indemnity insurance. This is a legal requirement. If they don't, the agreement may be invalid.

5. The agreement must identify the adviser

The agreement must name the adviser (solicitor, union rep, barrister) and confirm they have given you advice on the terms and effects of the agreement.

When you can still claim despite signing

Even if you have signed an agreement, you may still be able to claim in these circumstances:

Agreement doesn't mention the specific claim

If the agreement lists the claims being settled and your claim type isn't mentioned, your claim may survive. For example, if the agreement settles "unfair dismissal only" and you later discover discrimination occurred, the discrimination claim may not be waived. Careful drafting by the employer is key.

You were under duress or undue pressure

If you were threatened, coerced, or illegally pressured to sign, the agreement is voidable. Duress requires threats or coercion — being upset about the offer or job loss is not duress. The pressure must be unlawful.

The independent advice was negligent

If your solicitor or adviser gave you negligent advice (eg. told you a claim you had was no longer available, failed to explain the terms), you may have a claim against the adviser. The settlement agreement itself may be voidable if the negligence was material.

The employer misrepresented facts material to the agreement

If the employer lied about material facts (eg. said there were no other complaints, when there were; misrepresented your conduct), and you relied on these lies in signing, the agreement may be voidable.

Claims arose after signing

If a new wrong occurred after you signed (eg. the employer gave you a defamatory reference after signing, or discriminated against you post-employment), that new claim is not waived by the agreement. The agreement only covers pre-signing claims.

Discrimination claims and settlement agreements

Discrimination claims can be settled via a settlement agreement, but the wording is critical:

• A clause settling "all claims" is interpreted narrowly by courts. If a discrimination claim wasn't specifically contemplated when you signed, it may survive.
• Discrimination claims must be explicitly mentioned to be waived. A settlement of "unfair dismissal" alone will NOT waive discrimination claims.
• The agreement must identify the specific discrimination (sex, race, disability, age, etc.) for it to be waived. Vague wording will not settle it.
• Recent cases show courts are cautious about enforcing blanket waivers of discrimination. If you didn't understand the discrimination claim was being waived, you may still claim.

What to do if you’ve signed

If you’ve already signed a settlement agreement and are now considering whether to claim, here’s what to do:

1. Take urgent legal advice

Contact a solicitor or employment law advisor immediately. They can review your agreement and advise whether your claim survives or is waived.

2. Check whether independent advice was properly given

Ask yourself: did you receive advice from an independent solicitor, barrister, or union rep before signing? Were they covered by insurance? Is their name in the agreement? If any of these is missing, the agreement may be invalid.

3. Check whether your claim type is specifically mentioned

Read the settlement agreement carefully. Does it specifically list your claim type (eg. "unfair dismissal", "discrimination", "breach of contract")? If your specific claim type is not mentioned, it may not be waived.

4. Check the agreement's wording closely

Vague wording like "all claims" may be interpreted narrowly. If the discrimination claim, for example, wasn't specifically identified, you may still have grounds to claim.

5. Act within the deadline

If you decide to challenge the agreement or claim, do so quickly. The longer you wait, the harder it is to argue you didn't understand it or that it was entered into unfairly.

Careful wording matters

The difference between a settlement agreement that waives all your claims and one that doesn’t can come down to a single clause. Courts interpret these agreements against the person who drafted them (usually the employer). Ambiguity favours you. If the specific claim type isn’t named, you have grounds to argue it wasn’t waived.

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Settlement Agreements — ERA 1996 s.203

Employment Rights Act 1996