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Crispin Winser QC

Call 2003 • QC 2021

"absolutely first rate" ... "an excellent cross-examiner"
(Who's Who Legal 2020)

Insurance & Reinsurance

Crispin’s experience includes coverage disputes, non-disclosure, misrepresentation, late / non-notification, aggregation, co-insurance, fraudulent claims, brokers’ duties and the recovery of brokers’ commission. He is regularly instructed in relation to claims arising from defective products and fire and flood damage. Crispin is the co-author (with Sir Antony Edwards-Stuart) of the chapter on Insurance in Emden’s Construction Law.

Selected Cases

  • Advising insurers and reinsurers on coverage issues in respect of a £30m fire claim.
  • Aspen & Liberty Mutual v Sangster & Annand [2019] Lloyd’s Rep IR 217; 35 Const LJ 200 – acting for insurers in the Commercial Court obtaining a declaration of no liability to indemnify the insured contractor in respect of a £9m claim following a fire at a hotel in Scotland said to have been caused by hot works (and successfully resisting an application to the Court of Appeal for permission to appeal).
  • Acting for insurers in the Mercantile Court in relation to the disputed avoidance of a property policy for misrepresentation and breach of warranty and the alleged negligence of the brokers.
  • Acting for a policyholder in a coverage dispute under a Public and Products Liability policy.
  • Acting for insurers in the Mercantile Court in relation to the disputed avoidance of a policy for arson.
  • Liberty Syndicate Management v Campagna [2011] EWHC 209 (TCC); 27 Const LJ 275 – acting in a multi-million Euro dispute arising from a latent defects insurance scheme for the construction of new houses across Ireland.
  • Acting for a local authority policyholder in relation to its insurer’s refusal to indemnify a £1m public liability claim.
  • Advising a joint venture contractor in relation to a 20m Euro claim under a project PI policy.
  • Acting for the policyholder in a $130m international arbitration concerning a claim under a project all risks policy following hurricane damage to a hotel and condominium development in the Caribbean.
  • Advising insurers in relation to their potential exposure under historic PL policies to indemnify claims made by victims of alleged child abuse.
  • Advising insurers in relation to apparently fraudulent claims under a buildings policy.
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  • Registered practitioner in the Dubai International Financial Centre (DIFC)
  • Major Scholar, Inner Temple
  • MSc Construction Law & Dispute Resolution, King’s College London
  • Dip Law, City University
  • BA, Bristol University


  • British Japanese Law Association
  • Chartered Institute of Arbitrators (FCIArb)
  • Commercial Bar Association
  • LCIA European Users Council & Young International Arbitration Group
  • London Common Law and Commercial Bar Association
  • Society of Construction Law (UK & Gulf)
  • Technology & Construction Bar Association


  • Legal 500 2021 London Bar: leading junior for Construction, Energy and International Arbitration
  • Legal 500 2020 UAE: leading junior for Construction
  • Chambers UK 2021: leading junior for Construction and International Arbitration: Construction/Engineering
  • Chambers Global 2020: leading junior for Construction
  • Who’s Who Legal 2020: leading junior and future leader for Construction


“Reasonable, on top of the detail, commercial and an amazing advocate – particularly at cross-examination.”

Legal 500 EMEA, 2021

“One of the standout performers among senior juniors at the Construction Bar. He is thorough, well prepared, and an effective advocate.”; “He’s considered, calm under pressure and able to get up to speed quickly.”

Chambers & Partners, 2021

“Hard-working, team player who really understands how to present in international arbitration – should be a QC already.”

Legal 500, 2021

“Hard-working, great team player. Excellent cross-examination skills. Best junior barrister I have come across.”

Legal 500, 2021

“An excellent senior-junior – very clever and responsive.”

Legal 500, 2021

“absolutely first rate … an excellent cross-examiner in an arbitration context”

Who's Who Legal, 2020

“An excellent senior-junior – very clever and responsive.”

Legal 500 2020, EMEA

“highly responsive … creative and quick on his feet, with real substance on the intellectual side of a dispute” … “He is stunningly good. His work is detailed and his manner of cross-examination is incisive but pleasant.” … “He prepares thoroughly and is very perceptive and good on his feet”

Chambers & Partners, 2020

“Very proactive and impressive.” … “Extremely hardworking, very effective in cross-examination and always responsive.”

Legal 500, 2020

“Excellent and technically very able. He is very personable and not afraid to roll up his sleeves and work as part of the wider legal team” … “Very responsive and very hard-working” … “He has an impressive intellect and is always very quick to grasp the detail on technical matters. His cross-examination is very effective.”

Chambers UK and Global, 2019

“Provides that combination of skills that are key in a senior junior: clear strategy, concentration on what really matters, and strong delivery” … “One of the top junior barristers in the construction/arbitration field”

Legal 500, 2019

“A clever and practical construction specialist who is concise, clear and very helpful.” … “Very thorough and commercially astute. A tenacious advocate.”

Chambers UK and Global, 2018

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