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Contact

Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

For our Singapore office, for client enquiries please contact our Head of Business Development for Asia Pacific, Katie-Beth Jones, and for all other queries please contact Lynn Quek. Out of office hours calls will automatically be diverted to our practice management team in London.

London

20 Essex Street
London
WC2R 3AL

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03 Maxwell Chambers Suites
Singapore 069120

singapore@twentyessex.com
t: +65 62257230

Contact

Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

For our Singapore office, for client enquiries please contact our Head of Business Development for Asia Pacific, Katie-Beth Jones, and for all other queries please contact Lynn Quek. Out of office hours calls will automatically be diverted to our practice management team in London.

London

20 Essex Street
London
WC2R 3AL

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03 Maxwell Chambers Suites
Singapore 069120

singapore@twentyessex.com
t: +65 62257230

Penelope Nevill

Penelope Nevill

Call: 1998 (New Zealand), 2010 (England and Wales)

Penelope is a specialist in international law. Her practice focuses on disputes and transactional advice across a range of areas, including public international law, EU law, public law and human rights, commercial disputes raising questions of international and EU law and the interaction between legal systems and regimes.

She has appeared as counsel before the International Court of Justice, the European Court of Human Rights, the General Court of the EU and a United Nations Convention on the Law of the Sea (UNCLOS) Annex VII Tribunal, as well as the High Court, the Court of Appeal and the Supreme Court of England and Wales. In addition, Penelope regularly provides transactional advice to governments, the private sector and NGOs.

Penelope has extensive and varied experience in practice and academia. Her career commenced as a litigation lawyer in New Zealand with leading firm Chapman Tripp and includes time as a full-time academic at the University of Cambridge, teaching public international law, EU law and the law of armed conflict. She is currently a Fellow and Visiting Lecturer at King’s College, London.

Penelope is a panellist on the Attorney General’s Specialist Public International Law Panel (B Panel) and the General Panel (B Panel).

 

 

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Example cases

Public international law

Public law and human rights

Investment treaty arbitration and trade law

Law of the sea and shipping law

Commercial

Energy and natural resources

Environment, wildlife and climate change

Sanctions

Sectors and services

Publications

Professional memberships

Recent lectures and talks

Education

Penelope provides pragmatic, commercial advice built on the foundations of excellent experience. She is accessible and able to deliver her advice in front of solicitors and clients alike.

Chambers UK Bar 2025

Penelope is phenomenal on matters of public international law. She's a very safe pair of hands and a great advocate in court, even in the most complex of cases.

Chambers UK Bar 2025

Penelope speaks with authority and confidence, which makes it easier to trust her knowledge and judgement.

Chambers UK Bar 2025

Penelope is an outstanding junior - very good drafting skills and great at getting on top of a volume of materials in a short space of time.

The Legal 500 UK Bar 2025

Penelope is a pleasure to work with - very down to earth while providing very thorough and detailed advice.

Chambers UK Bar 2024

She is undoubtedly one of the talents in the field. She is knowledgeable, diligent, and fluent, both orally and in writing, with an unusually astute facility for grasping the essential policy context of international issues.

The Legal 500 UK Bar 2024

She is really considered, diligent and razor sharp.

Chambers UK Bar 2024

Very quick and astute with a broad range of knowledge across areas.

The Legal 500 UK Bar 2023

She knows PIL inside out and is very well respected in the field.

Chambers UK Bar 2023

Willing to engage with any question no matter how big or small and always happy to get stuck into the laborious detail. Calm and diligent.

The Legal 500 UK Bar 2023

An absolute fount of knowledge on international law.

Chambers UK Bar 2022

Penelope is fantastically easy to work with. She is a highly competent drafter and a good oral advocate. She shows good judgement and gets on very well with clients.

The Legal 500 UK Bar 2022

She analyses what really matters and is rock solid in the face of difficult questions.

Chambers UK Bar 2022

I would think she ought to be a very good candidate for silk before too long.

The Legal 500 UK Bar 2022

She is knowledgeable, bright and practical.

Chambers UK Bar 2022

One of the leading public international law juniors at the English bar. Very clever, thoughtful and invariably right.

The Legal 500 UK Bar 2021

She has the biggest brain and her knowledge is outstanding. She can work out the answers before the questions are asked.

Chambers UK Bar 2021

Penelope has an encyclopaedic knowledge of her field. She was always able to come up with an interesting angle or case to consider.

The Legal 500 UK Bar 2021

A formidable academic background.

Chambers UK Bar 2020

Really sharp, one of the best PIL juniors.

The Legal 500 UK Bar 2020

She is an excellent public international lawyer. She has exceptional experience and is enormously talented. A real rising star of the Bar.

Chambers UK Bar 2018

She has exceptional experience and is enormously talented.

The Legal 500 UK Bar 2017

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