Mr Giles Mooney KC KC > Deka Chambers > London, England > Lawyer Profile

Deka Chambers
3-5 Norwich Street


Called 1998. Silk 2019.Giles is a civil practitioner specialising in cases of very serious clinical negligence and personal injury. His practices encompass all aspects of catastrophic injury work with a balanced Claimant/Defendant split.

In clinical negligence work he has extensive experience of birth injuries (last year he acted for a Claimant suffering from cerebral palsy where damages settled at over £7 million), spinal injuries and brain injuries. His personal injury work includes a particular interest and speciality in Animals Act claims (where he has been involved in several Court of Appeal cases on the subject) and accidents at sea. Giles is currently acting for a shipping company in a claim brought by multiple Claimants where a vessel collided with an offshore windfarm. Giles is also currently instructed on behalf of one of the victims of the Croydon Tram disaster.


Contributing editor to “Guides to Road Traffic Accident Claims” (Jordans). Contributing editor to “Guide to occupational Illness Claims” (Jordans). Contributing editor to 9 Gough Square publication – “Guide to Clinical Negligence Claims”.


King’s College London BA Hons, Inns of Court School of Law BVC 1998, Gray’s Inn Goldie Scholar 1998, Called 1998.


Personal Injuries Bar Association

Professional Negligence Bar Association



BA Hons King’s College London, Gray’s Inn Goldie Scholar (BVC Year).


A very keen, but increasingly less effective, cricketer.

Lawyer Rankings

London Bar > Clinical negligence

(Leading Silks)Ranked: Tier 4

Giles Mooney KCDeka Chambers ‘Giles is a calm head in a storm, navigating the perils of big ticket litigation with thoughtfulness and expertise.’    

London Bar > Personal injury, industrial disease and insurance fraud

(Leading Silks)Ranked: Tier 3

Giles Mooney KCDeka Chambers ‘Giles is superb on his feet. He is erudite, well-prepared and masterful under pressure.’      

The ‘excellent’  Deka Chambers has a strong reputation for its ‘high-quality barristers with experience in the field.’ Giles Mooney KC has acted on standout catastrophic injury work, namely for the claimant on the 2021 Court of Appeal case Ford v Seymour-Williams, which shows his niche expertise in matters involving the Animals Act 1971; additional notable work includes his action for claimants involved in Croydon tram crash, a matter involving particular points on prosthetics. From the 1 Chancery Lane side of the merger, Simon Readhead KC, described as having a ‘genuine star quality’, has handled impressive work on fatal and serious injury matters, often involving psychiatric factors, and Matthew Chapman KC is active in catastrophic injury cases, which are often international in scope and feature complex causation issues.

London Bar > Travel law (including jurisdictional issues)

(Leading Silks)Ranked: Tier 3

Giles Mooney KCDeka Chambers ‘Giles is a personable advocate with an affable style. He is good with clients and does some excellent work.’

Deka Chambers‘s travel team assists both claimants and defendants in overseas accident litigation and in recovery actions against overseas suppliers. The team counts on the expertise of John Ross KC, whose work includes leading cases on the subject of cross-border personal injury claims, and Sarah Prager, who is acting in a number of High Court trials and has three cases on jurisdictional matters going through the Court of Appeal. From the 9 Gough Square side of the chambers pre-merger, Grahame Aldous KC recently acted in Booth v Phillips, a High Court case which established the jurisdiction of the UK over deaths abroad leaving a dependent in the UK. Giles Mooney KC is acting for the defendant in a case where the claimant was injured whilst acting as a yacht’s engineer in the course of racing during an international regatta; it is alleged that the claimant has suffered serious brain injuries and the case is currently pleaded in excess of £3m.