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Leon Glenister

Leon Glenister


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Leon’s practice spans Chambers’ practice areas, with a particular focus on Public and Planning Law. He has been appointed to the Attorney General's C Panel of Counsel. 

Leon is also a tutor in Administrative Law at the Faculty of Law, University of Cambridge.

Away from law, he is a Governor of Dr Challoner’s Grammar School.

For detail on his practice areas:

Directory and other quotes

“a rising star”; “strong advocacy”; “never fazed by anything, he is appreciated by clients for his calming influence”; “approachable and always works well with clients and witnesses”; “he’s diligent, very hard-working, knowledgeable about the law and someone who has a very good way with clients” Chambers and Partners 2018

“a rising star”, “his submissions are fantastic and his advocacy skills are brilliant” Chambers and Partners 2017

“brainy” The Guardian

Recent cases

Leon is regularly instructed in high profile Public and Planning Law litigation. His work over the last eighteen months has included:

  • Challenging NHS England’s Accountable Care Organisation (ACO) draft contract as being contrary to the Health and Social Care Act 2012 (R (999 Call for the NHS) v NHS England, ongoing), as reported in the Guardian and the Health Service Journal.

  • Acting in what is now the leading case on whether a defective enforcement notice issued by a local authority is a nullity (Oates v SSCLG [2017] EWHC 2716 (Admin)).

  • Challenging Oxfordshire CCG’s decision to reconfigure services at the Horton General Hospital (R (Cherwell DC) v Oxfordshire CCG [2017] 3349 (Admin)), as reported on the BBC.

  • Challenging a well-known school’s decision to withdraw admission of a student (R (LH) v X School [2017] EWHC 1985 (Admin)).

  • Acting for the Registrar General before Sir James Munby in relation to the registration of a birth following the use of donor sperm (Application K [2017] EWHC 50 (Fam)).

  • Challenging the decision of Lambeth Council to regenerate Cressingham Gardens Estate (R (Plant) v Lambeth LBC [2016] EWHC 3324 (Admin)R (Bokrosova) v LB Lambeth [2015] EWHC 3386 (Admin)) as featured in the Guardian.

  • Instructed in relation to a challenge of the Mental Health Tribunal decision to move Peter Coonan from Broadmoor back to prison, as featured on the BBC.

  • Acting in the Detained Asylum Casework litigation in the Court of Appeal (R (TH) v SSHD [2016] EWCA Civ 815).

  • Acting in a planning inquiry in relation to a well-known property previously featured in the Telegraph, subject to a s106 agreement which states only those working in agriculture can reside in it.