Department profile
Six Pump Court

Environment

UK Bar Guide 2026 : London (Bar)

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Six Pump Court

Rankings

Chambers Review

Provided by Chambers

Environment - London (Bar)

Band 1

What the Team is Known For

Six Pump Court has a deep bench of barristers handling challenging environmental cases. Known as an "excellent set with real expertise" which provides "practical and useful advice," Six Pump Court is particularly well known for its handling of regulatory matters, and its members have expertise in both civil and criminal environmental issues, including high-profile enforcement cases. Barristers at the set are often instructed in cases with aspects of health and safety law. Members at Six Pump Court have been involved in notable cases, including the high-profile R (Friends of the Earth Ltd & Others) v Secretary of State for Energy Security and Net Zero concerning the government's published package of proposals and policies to achieve the Net Zero Target. The set is frequently instructed by environmental regulators as well as defendant companies in environmental proceedings.

Richard Constable is the senior clerk.

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Strengths

Provided by Chambers

  • The clerks are brilliant and Richard Constable in particular is incredibly easy to deal with, responsive and works with clients to provide incredible service.

    Environment respondentUK Bar

  • The Clerks at 6 Pump Court are excellent and provide a first-class service, seamlessly supporting their clients.

    Environment respondentUK Bar

  • The clerking team are very strong and quickly find solutions.

    Environment respondentUK Bar

  • The clerks are responsive, helpful and easy to deal with.

    Environment respondentUK Bar

Notable Practitioners

Provided by Chambers

  • Christopher Badger
    Christopher Badger

    Christopher Badger

    Christopher Badger is an eminent junior who is very well versed in the parameters of environmental regulations. He advises the Environment Agency as well as corporations and individuals.

    • Christopher is an absolutely superb barrister who is very responsive and a good advocate.

      Environment respondentUK Bar

    • Chris is extremely knowledgeable, produces strong written advice, and has an effortless and persuasive advocacy style.

      Environment respondentUK Bar

    • Chris is user-friendly, accessible, and very strong on his feet.

      Environment respondentUK Bar
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  • Richard Banwell
    Richard Banwell

    Richard Banwell

    Richard Banwell acts for and against the regulator on a multitude of claims, concerning matters such as water management, waste disposal, renewable energy and permit revocations. He provides counsel for industry professionals, regulators and local authorities.

    • Richard is a real expert. He is great with strategy, has a brilliant work ethic, great with clients, excellent on his feet, and is a true delight to work with.

      Environment respondentUK Bar

    • Richard is extremely detail orientated and digests vast amounts of information which he is able to recall at his finger tips. He is organised, easy to work with, and works well in a team.

      Environment respondentUK Bar

    • Richard is an excellent barrister who is across the detail and very persuasive.

      Environment respondentUK Bar
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  • Mark Harris
    Mark Harris

    Mark Harris

    Mark Harris is highly regarded for his advice on regulatory matters in environmental and health and safety law. He has in-depth knowledge of cases concerning water, waste and the cross-border shipment of radioactive substances. He acts both for and against the Environment Agency.

    • Mark is a standout expert in waste law in relation to the environment.

      Environment respondentUK Bar
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  • Mark Watson
    Mark Watson

    Mark Watson

    Mark Watson KC is well respected as a prosecution and defence barrister handling cases concerning pollution, waste deposits and nuisances of various kinds. He acts for and against the Environment Agency and local authorities.

    • Mark is a formidable barrister who is intelligent, approachable and articulate in the way he approaches every instruction and every client.

      Environment respondentUK Bar

    • Mark is a simply superb barrister who is tenacious, articulate, and has a genuine courtroom presence.

      Environment respondentUK Bar

    • Mark is user-friendly, knows the water industry well, and is very knowledgeable.

      Environment respondentUK Bar

    • Mark quickly develops a deep and strong understanding of each case and is able to convey the difficulties but also the merits of different points.

      Environment respondentUK Bar

    • Mark is an experienced advocate who is very persuasive, leads well in court, and is both measured and calm.

      Environment respondentUK Bar
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  • Stephen Hockman KC
    Stephen Hockman KC

    Stephen Hockman KC

    Stephen Hockman KC is a leading silk who is routinely instructed by corporate entities, individuals and regulators. He advises both claimants and defendants on pollution cases, challenges to environmental decisions and environmental cases in the common law courts.

    • Stephen has great gravitas and experience, which he brings to bear on each case he works on.

      Environment respondentUK Bar
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  • Nicholas Ostrowski
    Nicholas Ostrowski

    Nicholas Ostrowski

    Nicholas Ostrowski impresses with his experience of difficult and high-profile work relating to water use, pollution, waste disposal and other issues, whether in prosecutions, inquiries or civil litigation. He is often instructed by the Environment Agency or local authorities.

    • Nick is very good at understanding complex issues and has a good eye for detail.

      Environment respondentUK Bar

    • Nicholas really grasps the case quickly and gives excellent advice to clients.

      Environment respondentUK Bar

    • Nicholas is very impressive in his knowledge, attention to detail and ability to grasp the complexities of each case.

      Environment respondentUK Bar

    • Nick is responsive, personable and technically superb. He's effective in his advocacy, and is calm, considered, strategic and incredibly persuasive.

      Environment respondentUK Bar

    • Nick has impressive expertise in water pollution law and is great to work with, providing detailed advice that is entirely responsive to evolving case strategies.

      Environment respondentUK Bar
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  • William Upton
    William Upton

    William Upton

    William Upton KC has a strong reputation for advising clients from both the public and private sectors on environmental and planning law. He has tackled a range of complex cases relating to such topics as flood damage, noise nuisance, contaminated land and waste management.

    • William is very experienced and provides expertise and strong understanding.

      Environment respondentUK Bar
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  • David Hercock
    David Hercock

    David Hercock

    David Hercock is a regulatory and administrative law specialist who manages a busy cross-over practice centred on health and safety, environmental and consumer-related cases. He has acted in a wide array of prosecutions, judicial reviews and appeals.

    • David provides clear, intelligent and client focused advice.

      Environment respondentUK Bar

    • David is a brilliant barrister who is a skilled advocate, hard-working, and provides excellent client care.

      Environment respondentUK Bar

    • David is a thoroughly impressive and wise barrister who is very collaborative and remarkably astute.

      Environment respondentUK Bar
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Ranked Barristers at Six Pump Court (8)

London (Bar)

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