Personal injury claim rules: recent changes explained

Personal injury claim rules in the UK have changed a lot in recent years, and 2026 claimants need to be sharp. Whiplash tariffs, fixed recoverable costs, mixed-injury valuation and court delays can all affect how much compensation you receive and how your case is handled. If you are unsure where your claim sits, a specialist solicitor can help you avoid under-settling. For a broader view of claim value, read our guide on personal injury compensation.

Key takeaway: What do the personal injury claim rules UK changes mean for your case?

The main changes are the updated whiplash tariff, the wider fixed recoverable costs regime for claims up to £100,000, and the Supreme Court’s approach to mixed whiplash and non-whiplash injuries.

In practice, these rules can affect your route, your legal costs, your settlement strategy and the final compensation you receive.

The first wave: Civil Liability Act 2018, whiplash rules, and the mixed-injury cap

The first major shift came from the Civil Liability Act 2018 and the whiplash reforms. These rules were designed to reduce low-value road traffic accident claims and introduced the Official Injury Claim portal for certain small claims.

The main points are:

• Whiplash definition: soft tissue injuries to the neck, back or shoulder caused by negligent driving in England or Wales. Motorcycle riders are excluded.
• Fixed tariff: compensation for pain, suffering and loss of amenity is fixed by injury duration.
• Portal limits: the Official Injury Claim portal only applies where the personal injury element is not more than £5,000 and the total claim is not more than £10,000.
• Mixed injuries: whiplash injuries are valued under the tariff, while non-whiplash injuries are assessed separately under common law.
• 2025 tariff update: the whiplash tariff figures were increased from May 2025.

According to Ministry of Justice civil justice statistics, personal injury damages claims fell by 23% to 11,000 in January to March 2026 compared with the same period in 2025.

Whiplash tariff amounts from May 2025:

The second wave: Fixed recoverable costs extension

Fixed recoverable costs limit the amount of legal costs that the winning party can usually recover from the losing party. Since 1 October 2023, the regime has applied more widely, including to many personal injury claims.

The big change is the creation of the intermediate track for less complex claims valued between £25,000 and £100,000.

The intermediate track uses four complexity bands:

• Band 1: straightforward claims with early admission of liability and limited issues.
• Band 2: standard contested claims with limited expert evidence.
• Band 3: more complex cases, often involving multiple expert witnesses.
• Band 4: highly complex cases with serious disputes or extensive documents.

This can affect different types of personal injury claims, including accidents at work, public liability claims and some road traffic accident cases.

For limitation issues, see our guide on personal injury claim time limits.

The third wave: Valuing mixed injuries after Hassam v Rabot

The Supreme Court decision in Hassam v Rabot clarified how courts should value claims involving both whiplash injuries and non-whiplash injuries.

The calculation usually works like this:

• Assess the fixed tariff amount for the whiplash injury.
• Assess the common law damages for the non-whiplash injury.
• Add the two amounts together.
• Apply a deduction if needed to avoid double compensation for overlapping pain and suffering.

However, the final award should not be reduced below the amount that would have been awarded for the non-whiplash injury alone.

Example:

Sarah suffers a six-month whiplash injury worth £565 under the tariff and a fractured wrist worth £4,000. The starting point is £4,565. If the judge deducts £300 for overlap, Sarah receives £4,265. The award still remains higher than the wrist injury value alone.

When does the Official Injury Claim portal stop being viable for your case?

The Official Injury Claim portal is designed for straightforward, low-value road traffic accident claims. It may stop being suitable if your case becomes too valuable, too disputed or too complex.

A claim may need to leave the portal if:

• The personal injury element exceeds £5,000.
• The total claim exceeds £10,000.
• The insurer denies liability.
• There are allegations of fraud.
• The injuries or evidence are too complex for the portal process.

Once a case leaves the portal, the process can become slower and more technical. Claimants may need to use a different claims process or court route, which can create delays and extra work.

Why unrepresented claimants frequently under-recover their compensation

Although the portal allows some people to bring a claim without a lawyer, self-representation can be risky. The system may look simple on the surface, but valuation and procedure are often where things get messy.

Common reasons claimants under-recover include:

• System complexity: the process requires understanding guidance, deadlines and evidence rules.
• Valuation mistakes: non-whiplash injuries must be assessed using legal and medical valuation principles.
• Premature settlement: injured claimants may accept low offers to end the process quickly.
• Fear of court: challenging an inadequate offer can require formal court steps.
• Medical evidence issues: a weak medical report can reduce compensation if it is not properly challenged.

For a wider overview, read our guide on the personal injury claim process.

Navigating the personal injury claim process and track allocation

Most personal injury claims follow a structured process. The route depends on the type of accident, value of the claim, complexity and whether liability is admitted.

Key stages usually include:

• Medical treatment and evidence gathering.
• Notification of the claim to the defendant or insurer.
• Medical reports and financial loss evidence.
• Negotiation and settlement offers.
• Court proceedings if settlement cannot be reached.

Track allocation matters because it affects procedure, recoverable legal costs and how the court manages the case.

The usual tracks are:

• Small claims track: low-value claims, including many whiplash claims.
• Fast track: less complex claims, usually up to £25,000.
• Intermediate track: less complex claims between £25,000 and £100,000.
• Multi-track: higher value or more complex claims.

Do I need a solicitor to make a personal injury claim?

FAQs

How long does a personal injury claim take?

It depends on the value and complexity of the claim. Ministry of Justice statistics for January to March 2026 show a median time from issue to trial of 37.6 weeks for small claims and 54.3 weeks for fast, intermediate and multi-track claims.

How many personal injury claims go to court?

Most claims settle before trial. In January to March 2026, there were 13,000 civil trials overall, while personal injury damages claims formed only part of the wider civil justice caseload.

What happens if I lose my personal injury claim?

You will not receive compensation and may face costs consequences. Many claims are funded by No Win, No Fee agreements, often supported by insurance, but you should check exactly what is covered before starting.

Personal injury claim rules in the UK are now more technical than they look. Whiplash tariffs, fixed recoverable costs and mixed-injury valuation rules can all affect your compensation. The safest move is to understand the route your claim belongs in before accepting an offer.

This guide provides general information only and does not constitute legal advice.

Key Takeaways:

• The May 2025 whiplash tariff update increased fixed compensation amounts for whiplash injuries lasting up to 24 months.
• Fixed recoverable costs now affect many claims up to £100,000, especially through the intermediate track.
• Mixed injury claims must be valued carefully after Hassam v Rabot, because non-whiplash injuries may significantly increase compensation.