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Chambers of Mark Cannon QC

Living Wage
Work 020 7822 2000
Fax 020 7822 2001

David Turner QC

Work 020 7822 2000
4 New Square (Chambers of Mark Cannon QC)


David specialises in commercial insurance and reinsurance as well as professional indemnity and commercial product liability litigation; past and current cases include international arbitrations in relation to the reinsurance of a UAE health insurance programme and an excess of loss liability insurance programme; Swynson v Lowick Rose in the Court of Appeal and Supreme Court; Costain v Tarmac; an arbitration seated in Mumbai between insured and CAR/ALOP insurers arising out of construction of a 12MMTPA oil refinery; Cyprus naval base explosion; Heathrow Servisair fire; Buncefield litigation; Little Wing Films litigation; Biffa Waste v Ernst Hese GmbH; AC Ward v Catlin; Doheny v New India Assurance; Blackburn Rovers v Avon Insurance; Evolution Films Group Litigation; GNER v Avon Insurance; advising on D&O reinsurance issues arising from an accounting scandal in Asia.


Called 1992; Gray’s Inn; QC 2009. Publications of note: author of chapter on professional indemnity insurance in Jackson & Powell on Professional Liability (6th, 7th & 8th editions).


Combar; Teobar.


Radley College; Trinity College, Cambridge (1990 BA); City University (1991 Diploma in Law).


Equestrian, hill walking, sub-aqua, skiing.

London Bar

Insurance and reinsurance

Within: Insurance and reinsurance - Leading silks

David Turner QC - 4 New SquareVery popular with clients and an absolute pleasure to work with.

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Product liability

Within: Product liability – Leading silks

David Turner QC - 4 New SquareProvides prompt, no-nonsense advice.

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Professional negligence

Within: Professional negligence – Leading silks

David Turner QC - 4 New SquareHe is exceptionally bright and quick to analyse complex professional negligence claims.

Within: Professional negligence

4 New Square is ‘regarded as one of the go-to sets for professional negligence work’ and it stands out for its ‘great strength in depth’ and for a ‘focus on quality.’ Members act for both claimants and defendants on an array of disputes; Roger Stewart QC and Scott Allen were successful in the leading Supreme Court case examining solicitors’ negligence, BPE Solicitors v Hughes-Holland, in which David Halpern QC also appeared. David Turner QC and Nicole Sandells QC were also victorious in the Supreme Court case Swynson v Lowick Rose LLP, which was a claim involving accountants’ negligence. In the Court of Appeal, Neil Hext QC acted for the successful respondent insurance broker in Channon v Ward.

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