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Lucy Garrett KC

Call: 2001 (2025 Northern Ireland)

Silk: 2018

"Whether it is strategic advice, drafting submissions or pleadings or advocacy in court Lucy’s output is always first class. She is incredibly cerebral, but does not lose sight of the commercial aspects of a case."

Construction, Legal 500 2026

Lucy Garrett KC

Practice Summary

Lucy is a leading KC specialising in construction, engineering, energy and shipbuilding. She is “an out-and-out star, a gifted legal mind and persuasive advocate who can cut through endless legal and technical complexities to get to what really matters." Her client service is second to none: she is business-savvy (understanding that legal risk connects to business consequence), responsive and approachable. Lucy enjoys working as a team with her lay and professional clients, as well as the wider expert team. She is practical and hands-on. Her aim is always to make “stressful litigation feel like driving in a comfortable limo.”

Lucy is frequently instructed in high value and high profile litigation and international arbitration in relation to energy projects from oil and gas to windfarms to nuclear, and major infrastructure projects, including PFI/PPP. She has a particular specialism in shipbuilding disputes. Her practice includes claims for and against construction professionals in these sectors and project-related issues such as insurance, bonds and guarantees. In the UK, she is also instructed in relation to multiple Building Safety Act matters.

Her impressive specialist practice has a particular focus on large projects involving complex factual, technical and contractual disputes. Lucy appears regularly in the English courts including at appellate level and in international arbitration globally. Her extensive international experience includes all major institutional rules and ad-hoc arbitrations, and many disputes in civil code jurisdictions. 

Lucy is always in demand for her forceful advocacy, commercial approach and “stellar” intellectual ability. She has recently been described as “an exceptionally good operator who is easy to deal with and wears her enormous intellect lightly,” “extremely talented with razor-sharp intellect and boundless energy” and “A great advocate, very easy style, clients love working with her.”

Lucy’s energy and shipbuilding practice and her experience of the offshore standard forms are reflected in her co-editorship (with Mr Justice Constable) of the leading text in its field, Keating on Offshore Construction and Marine Engineering (3rd Edn., published August 2024). She is also co-editor of the looseleaf Keating on JCT and for many years has made extensive contribution, including chapter authorship, to Keating on Construction Contracts.

In 2026, Lucy was named Legal 500's Construction and Energy Silk of the Year. In 2024 and 2025, Lucy was nominated variously for Chambers & Partners’ Construction Silk of the Year, Legal 500’s Construction and Energy Silk of the Year and Legal 500’s Professional Negligence Silk of the Year. In 2023, Lucy was nominated for Chambers & Partners’ Diversity and Inclusion Outstanding Contribution award and was elected a Bencher of Gray’s Inn. She was one of The Lawyer’s “Hot 100” in 2021. She has been top ranked in Chambers & Partners, Legal 500 and Lexology Index in construction, energy, international arbitration and professional negligence for many years and has been a Lexology Index Global Elite Thought Leader in Construction in 2023, 2024, 2025 and 2026. She has been recommended by Lexology in arbitration, construction, energy and natural resources and professional negligence for many years.  As a junior, she won Chambers and Partners’ Construction Junior of the Year in 2013 and was nominated again in 2015.

Practice Areas

Construction & Engineering
  • Acting for a parent company in one of the first BLO cases.

  • Advising and acting on multiple Building Safety Act 2022 disputes.
  • Acting for the employer in a portfolio of disputes arising out of serious structural defects in residential buildings.
  • Acting for the main contractor in a high-value dispute on prestigious London property.
  • Acting for the developer in a series of disputes arising out of cable network provision across the UK.
  • Acting for the main contractor in a number of disputes arising out of the construction of Battersea Power Station.

  • Acting for the management company in disputes relating to East Village (formerly the athlete’s village for the London 2012 Olympics).

  • Multiple major disputes arising out of cladding issues on apartment blocks, acting variously for residents, developers, contractors and members of the professional team.

  • Acting for the employer in relation to a £100m plus dispute on a prestigious London development procured on a construction management basis.
  • Acting variously for the Trust, Project Co, the Contractor, the Facilities Manager or the Independent Tester in a series of PFI disputes relating to hospitals in the UK.

  • Acting for a major engineering firm in relation to the design of three hospitals.

  • Acting for an oil & gas major in relation to the expansion of a supergiant oil field.

  • Acting for the D&B contractor against structural engineers in relation to a care home development.

  • Acting for the construction manager in a series of disputes relating to a major commercial property development.

  • Acting for a nuclear engineering firm in relation to supply of equipment to a nuclear power station.

  • Commercial Court litigation in a shipbuilding dispute: the reported decision is now one of the leading cases on delay and the prevention principle.

  • Multi-billion US$ ICC arbitration relating to the construction of a hospital complex in Qatar.

  • £100m plus high profile Cambridgeshire Guided Busway litigation in the TCC. This case was the first dispute on the NEC2 form to come to Court.

  • Multi-million pound claim arising out of the Pinnacle project in the City of London.

  • Multi-million AED DIAC arbitration arising out of the construction of Dubai airport (under UAE law).

  • Acting for employers, contractors and subcontractors on many other final account disputes on UK and international projects.

  • Numerous adjudications and enforcements representing employers, (sub)contractors and professionals including a number of reported cases on points of law.

Energy & Natural Resources
  • Acting for two subcontractors in separate disputes arising out of the construction of Hinkley Point C.

  • Acting for the contractor in a dispute arising out of the construction of a solar farm.

  • Acting for an oil & gas major in relation to the expansion of a supergiant oil field.

  • Acting for an oil & gas major in relation to the design and construction of a gas platform.

  • Acting for a contractor in a dispute arising out of the Dorset Visual Impact Project.

  • Acting for an oil & gas major in relation to an oil pipeline in Yemen.

  • Acting for a nuclear engineering firm in relation to supply of equipment to a nuclear power station.

  • Several separate LMAA arbitrations arising out of the termination of various drilling rigs, each involving disputes of several hundred million US$.

  • Commercial Court litigation relating to the performance of a semi-submersible drilling rig and including issues of consequential loss.

  • Acting for reinsurers in cUS$300m ICC arbitration involving a DSU claim relating to a hydroelectric power plant.

  • Counsel for the engineers in an LCIA arbitration relating to the foundation design of a meteorological mast.

  • Acting for the employer in multi-million pound dispute arising out of the renovations of a gas terminal.

  • US$200m ICC arbitration arising out of the construction of a desalination plant in Qatar.

  • Multi-million euro TCC litigation relating to the decommissioning and dismantling of platforms in the North Sea.

  • Two major (US$100m and US$8m respectively) ICC arbitrations relating to the construction of the BTC oil pipeline.

Infrastructure & Utilities
  • Acting for a subcontractor in a dispute arising out of the construction of the Qatar metro.

  • Acting for two subcontractors in disputes arising out of the construction of Hinkley Point C.

  • Acting for the contractor in a dispute arising out of the construction of a solar farm.

  • Acting for a contractor in a dispute arising out of the Dorset Visual Impact Project.

  • Various disputes arising out of the Crossrail project.

  • Acting for a nuclear engineering firm in relation to supply of equipment to a nuclear power station.

  • Acting for reinsurers in cUS$300m ICC arbitration involving a DSU claim relating to a hydroelectric power plant.

  • £100m plus high profile Cambridgeshire Guided Busway litigation in the TCC. This case was the first dispute on the NEC2 form to come to Court.

  • Multi-million US$ ICC arbitration arising out of the construction of Qatar port.

  • Multi-million dollar ICC arbitration arising out of a desalination plant in Qatar.

  • Multi-million AED DIAC arbitration arising out of the construction of Dubai airport.

  • Multi-billion dollar arbitration relating to the construction of the new metro in Dubai.

  • Numerous road and rail cases in the UK and internationally.

International Arbitration
  • A series of Hong Kong short form arbitrations relating to the construction of several hospitals.
  • Hong Kong arbitration relating to the construction of a pharmaceutical factory.
  • ICC arbitration arising out of the construction of the Qatar metro.

  • Acting for an oil & gas major in relation to the expansion of a supergiant oil field.

  • Acting for an oil & gas major in relation to the design and construction of a gas platform.

  • Acting for a major engineering firm in relation to the design of three hospitals.

  • Acting for a nuclear engineering firm in relation to supply of equipment to a nuclear power station.

  • Several separate LMAA arbitrations arising out of the termination of various drilling rigs, each involving disputes of several hundred million US$.

  • Multi-billion US$ ICC arbitration relating to the construction of a hospital complex in Qatar.

  • Multi-million US$ ICC arbitration arising out of the construction of Qatar port.

  • Counsel for the engineers in an LCIA arbitration relating to the foundation design of a meteorological mast.

  • Acting for reinsurers in cUS$300m ICC arbitration involving a DSU claim relating to a hydroelectric power plant in Brazil.

  • Multi-million dollar ICC arbitration arising out a desalination plant in Qatar.

  • Multi-million AED DIAC arbitration arising out of the construction of Dubai airport.

  • Multi-billion dollar arbitration relating to the construction of the new metro in Dubai.

Offshore Construction, Marine Engineering & Shipbuilding
  • Acting for an oil & gas major in relation to the expansion of a supergiant oil field.

  • Acting for an oil & gas major in relation to the design and construction of a gas platform.

  • Several separate LMAA arbitrations arising out of the termination of various drilling rigs, each involving disputes of several hundred million dollars.

  • Dispute arising out of the sinking of a cruise ship.

  • Multi-million dollar ICC arbitration relating to the performance of mega sea-going suction-cutter dredgers.

  • Commercial Court litigation relating to the performance of a semi-submersible drilling rig and including issues of consequential loss.

  • Commercial Court litigation in a shipbuilding dispute: the reported decision is now one of the leading cases on delay and the prevention principle.

  • Counsel for the employer in a technical shipping dispute arising out of a project for the design and construction of 30 ships.

  • Counsel for the engineers in an LCIA arbitration relating to the foundation design of a meteorological mast.

  • Multi-million euro TCC litigation relating to the decommissioning and dismantling of platforms in the North Sea.

PFI/PPP
  • Acting variously for the Trust, Project Co, the Contractor, the Facilities Manager or the Independent Tester in a series of PFI disputes relating to hospitals, schools and prisons in the UK, including termination for insolvency cases.
  • Acting for the Independent Certifier in relation to a social housing development.

  • Acting for the D&B contractor against structural engineers in relation to a care home development.

  • Acting for a contractor in a PFI dispute in relation to a prison in the UK.

  • Advising on multiple other PFI/PPP contracts.

Professional Negligence
  • Acting for the employer against structural engineers in a portfolio of disputes arising out of serious structural defects in residential buildings.
  • Counsel for the engineer in a dispute with the Environment Agency.
  • Acting for the D&B contractor in a claim against engineers involving complex structural and geotechnical engineering issues.

  • Acting for a major engineering firm in relation to the design of three hospitals.

  • Multiple major multi-party disputes arising out of cladding issues on apartment blocks, acting variously for residents, developers, contractors and members of the professional team.

  • Counsel for the D&B contractor against structural engineers in relation to a care home development.

  • Acting for the construction manager in a series of disputes relating to a major commercial property development.

  • Acting for a nuclear engineering firm in relation to supply of equipment to a nuclear power station.

  • Counsel for the engineers in a dispute relating to the innovative foundation design of a meteorological mast.

  • Acting for the employer in a high-value dispute relating to the design of factory processing equipment.

  • Counsel for the architect in the Walter Lilly v Mackay litigation, originally involving seven parties. The reported decision on the dispute between the contractor and employer includes guidance on the law relating to delay and global claims.

  • High profile multi-party multi-million pound litigation in the Guernsey High Court arising out of the Royal Chambers and Royal Terrace development, acting for the engineers.

  • Counsel for the employer in a technical dispute involving a professional negligence claim against engineers and conflicts of law arising out of the construction of an oil platform.

  • Numerous fees claims acting for architects, engineers and other construction professionals.

Other Information

Education & Career
  • Queen’s Counsel (2018)

  • Sabbatical working for the Tony Blair Institute for Global Change in Freetown, Sierra Leone (2018-2019)

  • Tenancy at Keating Chambers (2004)

  • Tenancy at 2 Temple Gardens (2002)

  • Called to the Bar (2001)

  • Postgraduate Diploma in Law (2000)

  • BA English Language and Literature (First Class) University of Manchester (1998)

Privacy Policies
Additional information

Lucy enjoys reading. Her current recommendations are Birnam Wood by Eleanor Catton, Skippy Dies by Paul Murray (The Bee Sting is also very good but not as good as Skippy) and I, Claudius by Robert Graves. Sadly the 2019 and subsequent Reachers are to be avoided at all costs but all the previous ones remain excellent.

Lucy took a sabbatical from the Bar between June 2018 and December 2019 to work as a Senior Advisor for the Tony Blair Institute for Global Change. She spent 18 months in Sierra Leone working closely with the Mayor of Freetown, the extraordinary Yvonne Aki-Sawyerr OBE. Her blog describing her experiences is here.

Appointments & Awards
  • Legal 500’s Construction and Energy Silk of the Year (2026)

  • Nominated in for Chambers & Partners’ Construction Silk of the Year and Legal 500’s Construction and Energy Silk of the Year (2025)
  • Nominated for Legal 500 Professional Negligence Silk of the Year (2024)

  • Bencher at Gray’s Inn (2023)

  • Nominated for Chambers & Partners Diversity and Inclusion Outstanding Contribution (2023)

  • The Lawyer Hot 100 (2021)

  • Nominated for Chambers & Partners Construction Junior of the Year (2015)

  • Chambers & Partners Construction Junior of the Year (2013)

  • Prince of Wales Scholar, Gray’s Inn (2001)

Memberships
  • COMBAR
  • SCL
  • TECBAR
Seminars & Publications
  • Co-editor with Mr Justice Constable of Keating on Offshore Construction and Marine Engineering (3rd Edition) and author (1st and 2nd Editions)
  • Co-editor with William Webb KC of Keating on JCT Contracts [Looseleaf & CD-Rom]
  • Contributor, Keating on Construction Contracts (current and previous Editions)
  • Co-author of Litigation in the Technology and Construction Court (1st Edition)

  • Contributor, The Technology and Construction Court by Mr Justice Coulson (1st Edition)

  • Numerous seminars and papers