Clinical Negligence Claims: Bundle Preparation and Evidence Requirements

Author: Stevie Hayes | Last updated: March 2026

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Quick Answer

A clinical negligence court bundle must demonstrate that a healthcare professional breached their duty of care and that the breach caused the claimant's injury. The bundle typically includes comprehensive medical records, expert reports addressing breach and causation, a detailed chronology, the letter of claim and response, witness statements, and a schedule of loss. Clinical negligence bundles are often substantially larger than standard personal injury bundles because of the volume of medical records involved. Proper organisation is not optional — it is what enables the judge to navigate complex medical evidence and reach a fair decision.

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Introduction

Clinical negligence litigation is amongst the most demanding areas of personal injury law. Unlike a road traffic accident where the facts are often relatively straightforward — two vehicles collided, somebody was at fault — clinical negligence cases require the court to assess whether a qualified medical professional fell below the standard of care that a responsible body of their peers would have met. The legal and factual analysis is inherently complex.

According to NHS Resolution's Annual Report and Accounts 2022/23, the NHS received 13,511 clinical negligence claims and reported a total provision of over £128 billion for clinical negligence liabilities. These figures reflect the scale and seriousness of clinical negligence litigation in England.

The court bundle in a clinical negligence case is the vehicle through which all of this complexity is presented to the judge. A well-organised bundle transforms hundreds or thousands of pages of medical records, expert opinions, and correspondence into a narrative the judge can follow. A poorly prepared bundle buries the critical evidence and risks the judge missing the points that matter most.

This guide explains what goes into a clinical negligence bundle, how to structure the evidence, and the specific requirements that distinguish these cases from other personal injury claims.

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The Legal Framework

The Bolam Test

The foundation of clinical negligence law in England and Wales is the Bolam test, established in Bolam v Friern Hospital Management Committee [1957] 1 WLR 582. A medical professional is not negligent if they acted in accordance with a practice accepted as proper by a responsible body of medical opinion, even if other practitioners would have acted differently.

The Bolam test was refined by Bolitho v City and Hackney Health Authority [1998] AC 232, which added that the responsible body of opinion must be capable of withstanding logical analysis. In other words, it is not enough for a doctor to say "some doctors would have done it this way" — the practice must be defensible on rational grounds.

Your bundle must contain the expert evidence that addresses this test directly.

The Pre-Action Protocol for Clinical Negligence

The Pre-Action Protocol for the Resolution of Clinical Disputes governs the steps parties must take before issuing proceedings. Key requirements include:

• Obtaining medical records — The claimant should request all relevant records, and the defendant must provide them within 40 days
• Letter of claim — A detailed letter setting out the allegations of negligence, with chronology
• Letter of response — The defendant's response, admitting or denying the allegations, within four months
• Expert evidence — Both parties should obtain expert evidence before proceedings are issued

Protocol compliance is reflected in the bundle because all pre-action correspondence and documents form part of it.

CPR Part 35: Expert Evidence

CPR Part 35 and its Practice Direction govern expert evidence in all civil claims, but its provisions are particularly important in clinical negligence cases where expert opinion is the central battleground.

Key requirements:

• Experts have an overriding duty to the court, not to the party instructing them
• Expert reports must contain a statement of truth and comply with Practice Direction 35
• The court may direct a single joint expert (more common in lower-value claims)
• Either party may put written questions to the other party's expert under CPR Part 35.6
• Experts may be directed to hold discussions and produce a joint statement

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The Elements You Must Prove

Before assembling your bundle, it helps to understand the four elements you must establish in a clinical negligence claim, because each requires specific documentary evidence:

1. Duty of Care

The existence of a duty of care is rarely in dispute — if you were a patient receiving treatment from a healthcare professional, a duty of care existed. The relevant medical records confirming the clinical relationship are sufficient.

2. Breach of Duty

This is where the Bolam/Bolitho test applies. You must show that the treatment you received fell below the standard that a competent practitioner in the same field would have provided. This requires:

• The claimant's medical records — showing what treatment was actually given
• Expert evidence — from a suitably qualified expert in the same field, explaining what should have been done and why the actual treatment fell short
• Clinical guidelines — such as NICE guidelines, Royal College standards, or local protocols that the clinician should have followed

3. Causation

Proving breach alone is not enough. You must also prove that the breach caused your injury — that "but for" the negligent treatment, you would not have suffered the harm complained of. This is established in Barnett v Chelsea & Kensington Hospital Management Committee [1969] 1 QB 428.

Causation evidence includes:

• Expert evidence on what would have happened with proper treatment
• Medical records showing the timeline of deterioration
• Comparative evidence — what outcome is typically achieved when the correct treatment is given

4. Damage

Finally, you must prove that you suffered quantifiable harm — physical injury, psychological injury, financial loss, or a combination. The schedule of loss and medical evidence address this element.

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Documents Required for a Clinical Negligence Bundle

Medical Records

Medical records are the foundation of every clinical negligence case. Your bundle should include:

Request records early. Under the Access to Health Records Act 1990 and UK GDPR, you have the right to access your medical records. The healthcare provider must respond within 30 days (or 40 days under the Pre-Action Protocol for clinical disputes).

Expert Reports

Clinical negligence cases typically require at least two expert reports:

Liability Expert (Breach of Duty)

An expert in the same medical specialty as the clinician whose treatment is in question. This expert addresses:

• What the standard of care required in the circumstances
• How the actual treatment departed from that standard
• Whether any responsible body of medical opinion would have supported the treatment given (the Bolam/Bolitho analysis)

Causation Expert

Sometimes the same expert, sometimes a different specialist. The causation expert addresses:

• What would have happened if the correct treatment had been given
• The probability that the claimant would have had a better outcome
• The extent of the additional harm caused by the breach

Condition and Prognosis Expert

For ongoing injuries, an expert addresses the claimant's current condition and future prognosis. This evidence feeds directly into the schedule of loss for future care, treatment, and loss of earnings calculations.

Quantum Experts

In higher-value cases, additional experts may be needed:

• Care expert — to quantify future care needs and costs
• Employment expert — to assess impact on earning capacity
• Accommodation expert — if the injuries require adapted housing
• Forensic accountant — for complex financial loss calculations

The Chronology

A detailed chronology is essential in clinical negligence cases. It should set out, in date order:

• Every relevant medical consultation, treatment, and procedure
• Every symptom reported by the patient
• Every test result, with the actual values
• Every clinical decision and who made it
• The outcome of each intervention

The chronology must cross-reference the medical records — for each entry, note the page number in the bundle where the source document can be found. This transforms the chronology from a narrative into a navigational tool that the judge will use throughout the trial.

Pre-Action Correspondence

Include the complete pre-action exchange:

• Request for medical records and acknowledgement
• Letter of claim (with chronology and supporting evidence)
• Letter of response
• Any further correspondence regarding admissions, denials, or settlement discussions (excluding without-prejudice material)

Witness Statements

• Claimant's witness statement — Describing the treatment received, what they were told, the symptoms experienced, and the impact on their life
• Family member statements — Particularly important where the claimant's condition has affected daily functioning, or where family members witnessed the treatment
• Clinical witness statements — In some cases, nurses, midwives, or other clinicians who were present during the relevant treatment provide statements

Consent Documentation

Consent is a distinct issue in clinical negligence. Following Montgomery v Lanarkshire Health Board [2015] UKSC 11, a doctor must take reasonable care to ensure that the patient is aware of any material risks involved in any recommended treatment, and of any reasonable alternative treatments.

If your case involves an allegation that you were not properly informed of the risks, the bundle must include:

• The consent form signed before the procedure
• Any written information leaflets provided to the patient
• Evidence of the pre-operative discussion (or its absence)
• Expert evidence on what risks should have been disclosed

Clinical Guidelines and Protocols

Where the breach allegation is that the clinician departed from established guidelines, include the relevant guidelines in the bundle:

• NICE guidelines — Published by the National Institute for Health and Care Excellence
• Royal College guidelines — From the relevant Royal College (Surgeons, Physicians, Obstetricians, etc.)
• Local Trust protocols — Internal policies that the clinician was expected to follow
• National patient safety alerts — Relevant alerts issued by NHS England

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Structuring Your Clinical Negligence Bundle

Recommended Section Order

1. Index — Paginated, with page references for every document
2. Court documents — Claim form, defence, reply, case management orders
3. Chronology — Cross-referenced to the medical records
4. Pre-action correspondence — Letter of claim, response, and related documents
5. Witness statements — Claimant, family, and any clinical witnesses
6. Expert reports — Liability, causation, condition and prognosis, quantum
7. Medical records — Organised chronologically within sub-sections (hospital, GP, imaging)
8. Clinical guidelines and protocols — Relevant NICE guidelines, Royal College standards
9. Schedule of loss and counter-schedule — With supporting financial documents
10. Consent documentation — Forms, patient information leaflets

Managing Volume

Clinical negligence bundles are often large — multi-track cases can run to several hundred pages or more. To keep the bundle manageable:

• Include only relevant records — Not every page of a patient's lifetime GP records is relevant. Extract the relevant entries and include a note explaining what has been omitted
• Use a core bundle — For lengthy trials, consider preparing a core bundle of the most important documents alongside the full bundle
• Paginate consistently — Sequential page numbering throughout, with clear section dividers
• Bookmark electronic bundles — Enable the judge to navigate quickly to any document

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Common Pitfalls in Clinical Negligence Bundles

1. Incomplete Medical Records

Failing to obtain all relevant records — particularly records from different hospitals, GP practices, or community services — can leave gaps in the chronology. Always cross-check the records obtained against the chronology to identify missing periods.

2. Expert Reports That Do Not Address Bolam/Bolitho

An expert report that simply says "the treatment was wrong" without engaging with the Bolam/Bolitho test is vulnerable to challenge. The report must explain why no responsible body of medical opinion would have acted as the defendant did.

3. Causation Left Vague

"The outcome would have been better with proper treatment" is not sufficient. The expert must quantify the probability of a different outcome and explain the mechanism by which the breach caused the injury.

4. Disorganised Medical Records

Medical records that are not in chronological order, or where different sources (hospital, GP, imaging) are mixed together without structure, are extremely difficult for the judge to navigate. Invest time in organising them properly.

5. Missing Consent Evidence

In Montgomery cases, the absence of the consent form from the bundle is a significant omission. If the consent form cannot be located, that fact itself may be evidentially significant — but it should be addressed, not ignored.

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Practical Tips for Bundle Preparation

Start Early

Clinical negligence bundles take significantly longer to prepare than standard personal injury bundles. Begin organising your documents as soon as proceedings are contemplated — not after directions have been given.

Create a Master Chronology First

Before assembling the bundle, prepare a comprehensive chronology by reading through all the medical records. This exercise identifies gaps in the records, clarifies the sequence of events, and provides the structure around which the bundle is built.

Use Technology Effectively

The volume of documents in clinical negligence cases makes digital tools invaluable. BundleCreator.co enables you to upload medical records, expert reports, and correspondence, organise them into structured sections, and generate a fully paginated, indexed, and bookmarked PDF bundle. For multi-volume bundles, you can manage sections independently and produce a coherent final product without manually numbering hundreds of pages.

Cross-Reference Everything

Every assertion in the chronology, every figure in the schedule of loss, and every factual claim in the witness statements should cross-reference a page number in the bundle. This practice transforms your bundle from a collection of documents into an integrated body of evidence.

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Frequently Asked Questions

How long does it take to prepare a clinical negligence bundle?

Clinical negligence bundles typically take significantly longer than standard personal injury bundles — often several weeks for complex multi-track cases. The medical records alone may need to be obtained from multiple sources, organised chronologically, and cross-referenced against the chronology. Starting preparation early is essential.

Do I need more than one expert in a clinical negligence case?

Most clinical negligence cases require at least a liability expert (to address breach of duty) and a causation expert (to address whether the breach caused the injury). In higher-value cases, you may also need experts on condition and prognosis, future care, employment, and accommodation. The court may also direct a single joint expert for certain issues.

What is the Bolam test and why does it matter for my bundle?

The Bolam test, established in Bolam v Friern Hospital Management Committee [1957], provides that a medical professional is not negligent if they acted in accordance with a practice accepted as proper by a responsible body of medical opinion. Your expert evidence must directly address this test — explaining not just what the clinician did wrong, but why no responsible body of opinion would support what they did. Without this analysis, your claim is vulnerable.

How do I obtain my medical records for the bundle?

Write to each healthcare provider (hospital trust, GP practice, private clinic) requesting copies of all records relating to your treatment. Under UK GDPR, they must respond within 30 days. Under the Pre-Action Protocol for Clinical Disputes, the response period is 40 days. If records are not provided within these timeframes, you can apply to the court for an order compelling disclosure.

What is the Montgomery test for consent?

Following Montgomery v Lanarkshire Health Board [2015], doctors must ensure patients are aware of any material risks in proposed treatment and of reasonable alternatives. If your claim involves a failure to obtain informed consent, your bundle must include the consent documentation (or evidence of its absence), together with expert evidence on what risks should have been disclosed.

Can a litigant in person prepare a clinical negligence bundle?

Yes, although clinical negligence cases are amongst the most complex in personal injury law. The key challenge is organising the volume of medical records and obtaining appropriate expert evidence. Tools like BundleCreator.co are designed to help litigants in person prepare structured, court-ready bundles with proper pagination and indexing, reducing the administrative burden so you can focus on the substance of your case.

How large is a typical clinical negligence bundle?

This varies enormously depending on the complexity of the case and the volume of medical records. A straightforward case might produce a bundle of 200-400 pages. Complex multi-track cases with multiple experts and extensive treatment histories can run to 1,000 pages or more, potentially requiring multiple volumes.

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Next Steps

Clinical negligence claims demand meticulous preparation, and the bundle is where that preparation is most visible to the court. Begin by obtaining all relevant medical records, prepare a detailed chronology, and work with your experts to ensure their reports squarely address the Bolam/Bolitho test and causation.

BundleCreator.co offers structured bundle templates for clinical negligence claims, with sections pre-configured for medical records, expert reports, chronologies, and schedules of loss. Automated pagination and indexing eliminate the manual work that consumes so much time in these document-heavy cases, allowing you to present your evidence with the clarity and professionalism the court expects.