Understanding Fundamental Dishonesty in Personal Injury Claims: Recent Trends, Consequences, and Your Rights

Dishonesty is taken extremely seriously in personal injury litigation. In recent years, the courts have applied the concept of fundamental dishonesty with increasing rigour—particularly following section 57 of the Criminal Justice and Courts Act 20

This principle has major implications for anyone pursuing a personal injury claim. Below, we explain what fundamental dishonesty means, how courts have interpreted it, the potential consequences for claimants, and what options may exist if such a finding is made against you.

What Is Fundamental Dishonesty?

A finding of fundamental dishonesty means that a claimant has acted dishonestly in a way that strikes at the core of their case.  It is not about small inconsistencies or memory errors—it concerns conduct that significantly affects the validity or value of the claim. If the court finds a claimant to be fundamentally dishonest, the entire claim can be dismissed, even if parts of it are genuine. If the court is satisfied, on the balance of probabilities, that the claimant has been fundamentally dishonest about a matter going to the root or a substantial part of the claim, it must dismiss the entire claim unless dismissal would cause the claimant “substantial injustice.”

When it applies:

• Proceedings must involve a claim for damages for personal injury (including clinical negligence and most PI contexts).
• The dishonesty must be fundamental (not merely peripheral or incidental).
• The standard of proof is civil (balance of probabilities).

Recent Examples from the Courts 

Courts have applied findings of fundamental dishonesty in a wide variety of circumstances, including:

• Exaggerating symptoms or the impact of injuries, often exposed through surveillance evidence.
• Claiming mobility aids or care needs while engaging in normal work, travel, or sporting activities.
• Misrepresenting the ability to work or perform day-to-day tasks.
• Concealing previous injuries or relevant medical history to strengthen a claim.

Recent judgments have seen claimants lose entire awards after exaggerating symptoms or misleading medical experts. Some were ordered to repay interim payments and pay the defendant’s legal costs. 

Consequences of a Finding of Fundamental Dishonesty 

A finding of fundamental dishonesty can be devastating. The key consequences include:

• Dismissal of the Entire Claim: The court can strike out the whole case, even genuine aspects.
• Repayment of Interim Payments: Any sums paid before trial may need to be repaid, often with interest.
• Adverse Costs Orders: The claimant may have to pay the defendant’s legal costs. The usual claimant protection known as Qualified One-Way Costs Shifting (QOCS) will not apply.
• Loss of Legal Funding: After-the-event (ATE) insurance and other cost protections are usually voided.
• Risk of Contempt or Criminal Proceedings: Signing a false statement of truth can lead to contempt of court proceedings or criminal investigation.
• Long-Term Credibility Damage: A judicial finding of dishonesty may affect credibility in any future legal proceedings.

Can a Finding Be Appealed or Revisited? 

Yes. A finding of fundamental dishonesty can be appealed, but strict time limits apply. Generally, a notice of appeal must be lodged within 21 days of the judgment. To succeed, the appellant must show that:

• The judge made a legal or procedural error, or
• The “substantial injustice” test was not properly applied.

Appeals are fact-specific, and higher courts are usually reluctant to overturn findings of dishonesty unless a clear mistake has been made. 

Frequently Asked Questions 

Can I still get compensation if I’m found fundamentally dishonest?

No. Once the court finds fundamental dishonesty, the entire claim is dismissed—even if part of it was genuine.

What if I simply made a mistake or got confused?

Honest mistakes are not enough for a finding of fundamental dishonesty. The dishonesty must be deliberate and go to the heart of the case.

Can fundamental dishonesty apply to defendants too?

Yes, but section 57 specifically targets dishonest claimants. However, defendants can face similar consequences for contempt if they mislead the court.

What should I do if the defendant accuses me of fundamental dishonesty?

Take immediate advice from your lawyers. Such allegations are serious and must be defended carefully with clear evidence and accurate disclosure.

Conclusion

The message from the courts is clear: honesty is non-negotiable in personal injury claims. Even where an injury is genuine, exaggeration or concealment can result in the total loss of compensation and significant financial penalties.

Anyone involved in a personal injury claim should ensure that all statements, evidence, and representations are completely accurate and truthful. If you are facing an allegation of fundamental dishonesty—or wish to understand your rights to challenge such a finding—specialist legal advice is essential.

GE 27.10.25