Mark has over 20 years experience in planning law, gained from working in both local government and private practice. He has advised upon numerous developments of many different kinds, ranging from large commercial developments and major infrastructure projects to a very wide variety of smaller matters.

As well as advising upon all aspects of planning law, Mark advises upon compulsory purchase issues, highways law and procedure and environmental law.

Mark regularly speaks at conferences and seminars on current issues in these areas of expertise.

‘… wise and reflective adviser’ Legal 500 UK 2017

Mark Challis, who is ‘an excellent strategist, with a thorough approach and wide experience in urban railway projects’ Legal 500 UK 2017

‘He is really considerate, very thoughtful and able to think out of the box.’ Chambers & Partners 2016

‘A real pleasure to work with, interesting and a good adviser’ Chambers & Partners 2015

Career Highlights

  • Advising Transport for London in respect of various major infrastructure schemes in the capital.
  • Advising numerous developers, large and small, in respect of commercial, residential, retail and other developments in Central London and elsewhere, including upon many planning agreements and in formulating and implementing a planning strategy.
  • Advising the Garden Bridge Trust upon the planning and other consents needed to build a new “garden bridge” across the River Thames.
  • Advising a wide variety of petitioners in respect of the Crossrail Bill and more recently the HS2 Bill.
  • Advising English Heritage (now Historic England) in respect of a number of high profile planning cases, including tall building proposals in Central London. He also advised English Heritage in respect of its national policy guidance on enabling development.

Memberships and professional bodies

Published articles

  • Mark is a regular contributor to Butterworths Planning Law Service, the loose leaf encyclopaedia that covers the whole spectrum of planning law and which is aimed at planning professionals. He is a former General Editor of this publication and of Butterworths Planning Law Bulletin.

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