Hannah McCarthy

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+44 (0)20 7832 1111

Hannah McCarthy specializes in commercial and construction law, and also accepts instructions in general common law. She appears regularly in the High Court, including the TCC, and undertakes pleading and advisory work.

Construction & Engineering

Hannah’s practice is focused on construction and engineering disputes, and her instructions to date include working as junior in multi-million pound complex claims as well as contractual disputes (including arbitration and adjudication), professional negligence issues and statutory claims involving contractors and project designers. She has experience of disputes involving payment issues, defective workmanship as well as delay and disruption claims, and is familiar with standard form contracts used in the construction industry, in particular JCT and NEC contracts. She has additional experience of nuclear related projects, involving design, safety case issues and environmental issues. She also has a growing practice in energy matters, in particular oil and gas related disputes. Hannah has experience of a variety of adjudication proceedings, including enforcement hearings.

Examples of recent work includes:

  • Multi-million pound gas distribution dispute (ongoing)
  • Arbitration proceedings on a multi-million pound construction dispute concerning delay and disruption claim (ongoing);
  • Adjudication proceeding arising from a disputed final costs statement;
  • Complex design and payment issues arising on construction of a residential construction project;
  • Multi-facilities construction project at a nuclear site;
  • Dispute arising from nuclear related design issues;
  • TCC proceedings regarding negligent construction and project management of a local authority project (ongoing).


Hannah accepts a wide range of commercial instructions. She regularly appears in commercial proceedings before various tribunals, including the High Court, and undertakes pleading and advisory work.

Her commercial experience includes contractual disputes, civil fraud and insolvency matters. She has assisted senior members of chambers on various applications for international injunctions, including an application for a freezing order on multiple assets held in St Vincent and the Grenadines. Hannah has also drafted advice on major international insurance claims.

Hannah is a pro bono volunteer at the Bar Council’s CLIPS scheme of the Chancery Bar, as well as of the Queen’s Bench Division, advising and representing pro bono clients.



Civil Liability

Hannah accepts instructions in a broad range of common law matters, acting for both claimants and defendants. She also drafts pleadings and advises on liability and quantum, including complex schedules of damages. She has a growing practice in professional negligence and product liability matters, in particular relating to building disputes. She is currently instructed on a multi-million pound professional negligence claim against a City law firm.

Hannah has been led by Charlie Cory-Wright QC in the High Court on a multi-million pound quantum trial (settled mid-proceedings). She assisted on employers’ liability claims, including health and safety, as well as public and private nuisance proceedings.

Hannah's Sectors

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