Roger Hiorns spent his first 10 years in Chambers with a broad common law practice which saw him appear in all types of courts on a daily basis.

For more than 25 years now he has practised exclusively in the fields of personal injury, fatal accident, clinical negligence and professional negligence claims. He now has a wealth of experience in these areas and can return paperwork very quickly.

Roger has particular expertise in industrial disease claims, especially asbestos cases.

Roger wrote and edits a chapter in the practitioners manual “Occupational Illness Litigation”.

Roger advises and represents both Claimants and Defendants in all types of personal cases including road traffic accidents, accidents at work and fatal accidents. Over the years he has been involved in cases involving brain injuries, spinal injuries, cauda equina syndrome, amputations, chronic pain, scarring, loss of sight and every kind of orthopaedic injury.

Notable Personal Injury cases

  • D v F (2023)

    RTA causing traumatic brain injury loss of an eye, losses of senses of smell & taste and psychological trauma. Issue as to lack of capacity.

  • P v Fitness First (2021)

    Very serious knee injury involving seven surgical procedures, loss of employment, pension and promotion prospects.

  • F v MIB (2021)

    Fatal RTA in an uninsured car involving issues of ex turpi causa and contributory negligence.

  • A v MR (2020)

    Roger represented the Claimant who was using an unguarded mincing machine when his dominant right hand became caught in it. His hand had to be amputated at the wrist. Damages were assessed by the High Court at £1.99 million.

  • H v HHGL (2020)

    Roger acted for the Claimant in a fatal accident claim involving a widower and two children under the age of 10. Extensive claims for past and future loss of earnings and care. Case settled for £1.05 million after provision of a detailed schedule and extensive negotiations.

  • A v MOD (2020)

    Roger acted for a serviceman injured at work who was medically discharged from the services with chronic pain and psychological issues.

  • M v CICA (2019)

    Roger acted for a lady who was the victim of an assault. A maximum award of £500,000 was achieved less a 20% reduction in respect of the Claimant’s conduct.

Roger advises and represents both Claimant and Defendants in all types of industrial disease cases including those involving asbestos, asthma, work related upper limb disorders, hand/arm vibration syndrome and industrial deafness.

Notable Industrial disease cases

  • L v Royal Mail (2023)

    Fatal mesothelioma claim involving the replacement of care for a widow who lacked capacity.

  • M v LB of Lambeth (2021)

    Local government officer developed carpal tunnel syndrome from repetitive notetaking and typing.

  • W v NNHS (2020)

    Roger acted for the Claimant in a work related upper limb disorder claim involving a sonographer scanning pregnant ladies who developed a shoulder injury.

Roger advises and represents Claimants who have been the victims of solicitor’s negligence in the conduct of their personal injury or fatal accident claims.

Notable Professional Negligence cases

  • B v M (2024)

    Negligent under-settlement of a personal injury claim by approximately £1,000,000.

  • T v MES (2018)

    Roger acted for a self-employed man whose loss of earnings claim had been valued and presented negligently by the solicitors acting for him.

Roger’s clinical negligence practice is claimant based with an emphasis on delayed diagnosis, negligent investigations and treatment and negligent surgery.

Notable Clinical Negligence & Healthcare cases

  • M v Frimley Health (2022)

    Clinical negligence involving treatment of vulval cancer resulting in the removal of groin nodes and the development of lymphoedema.

  • W v S&S (2018)

    Roger acted for a female solicitor in her claim for clinical negligence in respect of a delay in diagnosing her anal carcinoma leading to a permanent colostomy.

Endorsements

“He is reliable, hard-working and completely experienced in this field.”

Chambers and Partners 2025

“He is an impressive advocate with a style that gently but persuasively explains to the court the findings it should make.”

Chambers and Partners 2025

“Among Roger's many strengths is his ability to distil complex legal issues into straightforward explanations that his clients can easily understand.”

Chambers and Partners 2025

“Roger is very approachable. He has been asked to advise on liability and quantum, in conference with the client and at case management conferences. ”

Legal 500 2025

“Roger can analyse the strengths and weaknesses of cases quickly and efficiently and provide solid advice on best approach.”

Legal 500 2024

“Roger has the ability to cut through areas of legal complexity and to guide clients with crystal-clear advice in plain English.”

Chambers & Partners 2024

“Roger is good with clients and clear in his advice.”

Chambers & Partners 2023

“Roger is an expert and very knowledgeable in his field.”

Legal 500 2023

“He is good in conference and not afraid to take risks.”

Chambers and Partners 2021

“Very quick to deal with papers, always provides clear and helpful advice.”

Legal 500 2021

“Extremely thorough and responds promptly to queries.”

Legal 500 2021

“He is very well respected, quick on his feet and good with paperwork.”

Chambers and Partners 2021

“He is very quick, approachable and helpful.”

Chambers and Partners 2021

Regulated by the Bar Standards Board (BSB)

Regulated by the Bar Standards Board (BSB) and holds a current practising certificate.


View my privacy policy.

Regulated by the Bar Standards Board (BSB)

Regulated by the Bar Standards Board (BSB) and holds a current practising certificate.


View my privacy policy.

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Deka Chambers: 5 Norwich Street, London EC4A 1DR

© Deka Chambers 2024

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