SILK PROFILE

Gwion Lewis KC

UK Bar 2026

Landmark Chambers

Ranked in 4 practice areas

Environment

London (Bar)

Agriculture & Rural Affairs

London (Bar)

Planning

London (Bar)

Administrative & Public Law

London (Bar)

Activate your profile

Showcase what sets your firm apart and elevate how your ranking is seen by legal buyers.

Get in touch

Chambers Review

Provided by Chambers

UK Bar

Environment - London (Bar)

Band 2

Individual Editorial

Gwion Lewis KC takes on environmental cases as part of a far-reaching practice that also extends to planning and public law. He is familiar with both domestic and EU regulations and has appeared in numerous public inquiries and judicial reviews.

Strengths

Gwion is a strong environmental law specialist.

Learn more about this team View ranking table

Agriculture & Rural Affairs - London (Bar)

Band 3

Individual Editorial

Gwion Lewis KC is a planning and environment, public law and EU law specialist with an impressive rural practice. He is often instructed by public sector bodies and environmental NGOs in cases pertaining to international environmental law.

Strengths

Gwion Lewis consistently provides an exceptional level of service. His advocacy is both clear and persuasive.

Learn more about this team View ranking table

Planning - London (Bar)

Band 4

Individual Editorial

Gwion Lewis KC continues to attract instructions to act in major public inquiries, judicial reviews and challenges to a diverse range of projects. He expertly handles regeneration and energy-related matters, among others, and is a regular feature in high-profile planning disputes in Wales.

Strengths

Gwion is a brilliant barrister who is astute, pragmatic, incredibly knowledgeable and a thoroughly good person.

Gwion Lewis is an absolutely brilliant advocate who never wavers on complex matters.

Learn more about this team View ranking table

Administrative & Public Law - London (Bar)

Band 4

Individual Editorial

Gwion Lewis KC is a highly regarded planning and environment specialist. He tends to represent central government and other public authorities in judicial reviews.