Landmark Chambers

Home > Our people > Barristers > Leon Glenister

Leon Glenister

Leon Glenister


Print all

Public and Administrative Law (including local government)

The core of Leon’s practice involves public law. He has a balanced practice, acting for claimants (individuals and companies), defendants and interested parties. 

He has been appointed to the Attorney General’s C Panel of Counsel, and therefore regularly advises and appears for Central Government departments.

Leon teaches Administrative Law at the Faculty of Law, University of Cambridge. He is also a contributor to ‘Children’s Social Care Law’ (LAG, 2018).


Leon is ranked by Chambers and Partners in Education Law, being described as a “’rising star’ in education law”, who is “diligent, very hard-working, knowledgeable about the law, and someone who has a very good way with clients”. 

Leon regularly acts for both parents and local authorities in the SENDIST. He co-authors the Noddy Guide to SEN with David Wolfe QC (also published in the Education Law Journal), a widely circulated and well-respected guide to SEN law used by practitioners and judges. He also authors the chapter on special educational needs in ‘Children’s Social Care Law’ (LAG, 2018). He appears in both the FTT and the UT, and acted for the successful parent in the appeal UA v London Borough of Haringey [2016] UKUT 0087 (AAC); [2016] E.L.R 219

He acts in all areas relating to schools, including admissions and exclusions. He appeared in a recent judicial review against the withdrawal of a sixth form place, made complicated by the school’s status as a city technology college: R (LH) v X School [2017] EWHC 1985 (Admin).  

Leon acts in higher education disputes, both in claims against universities and proceedings involving the OIA. He acted in R (B) v Office of the Independent Adjudicator [2018] EWHC 1971 (Admin), R (Gopikrishna) v Office of the Independent Adjudicator [2015] EWHC 207 (Admin); [2015] E.L.R. 190 and R (Mustafa) v Office of the Independent Adjudicator [2013] EWHC 1379 (Admin); [2013] E.L.R. 446.

He also is regularly instructed in discrimination cases in both the SENDIST and the County Court. 

Healthcare and community care

Leon recently acted in the widely publicised challenge to the NHS Accountable Care Organisation Contract, for which an appeal application is currently pending before the Court of Appeal: R (999 Call for the NHS) v NHS England [2018] EWHC 1067 (Admin))as reported in the Guardian  and the Health Service Journal.

Leon is regularly instructed in relation to disputes on the reconfiguration to NHS services. Leon is regularly instructed in relation to disputes on the reconfiguration to NHS services. He acted for the campaign group Keep the Horton General in a judicial review to remove services from Horton General Hospital (R (Cherwell DC) v Oxfordshire CCG [2017] EWHC 3349 (Admin)), for which an appeal has been made to the Court of Appeal. He has also recently been instructed by a local authority on a judicial review issued against its decision not to refer a reconfiguration decision to the Secretary of State.

Leon acted in the Court of Appeal, Supreme Court and European Court of Human Rights in the initial appeal of the declaration that removal of life support was in Alfie Evans’ best interests (E (A Child) [2018] EWCA Civ 550).

Leon also acted on behalf of the Registrar General in a judicial review before Sir James Munby concerning the registration of births where donor sperm had been used: Application K [2017] EWHC 50 (Fam).

He has experience of mental health law. He assisted in the re-draft of the Reference Guide to the Mental Health Act 1983. He was instructed in relation to a challenge of the Mental Health Tribunal decision to move Peter Coonan from Broadmoor back to prison. 

Housing and homelessness

Leon is ranked by Chambers and Partners in Social Housing, described as a “rising star” who is “very personable and his knowledge of the area is extremely wide”. 

He acts in cases arising from housing management (anti-social behaviour, subletting, disrepair) as well as advising on policy. He acts in both possession proceedings and housing injunctions, often in multi-day trials.

Leon acted for the residents of Cressingham Gardens Estate in challenging Lambeth Council’s consultation which led to a decision to demolish and regenerate their housing estate. This led to two multi-day judicial review challenges: R (Plant) v Lambeth London Borough Council [2016] EWHC 3324 (Admin) and R (Bokrosova) v London Borough of Lambeth [2015] EWHC 3386 (Admin); [2016] P.T.S.R. 355; [2016] HLR 10.

Leon regularly acts in homelessness challenges, for both adults and children, and was successful in R (Jalal) v Royal Borough of Greenwich [2016] EWHC 1848 (Admin) dealing with a section 17 assessment and decision. He also appeared in the leading case on interim accommodation where a parent does not have the “right to rent”: N v Royal Borough of Greenwich [2016] EWHC 2559 (Admin) 


Leon acts both for and against the Secretary of State in all areas of immigration. He acted in the Court of Appeal in the Detained Asylum Casework litigation: R (TH and ors) v Secretary of State for the Home Department [2016] EWCA Civ 815. He was recently successful in R (Ayache) v Secretary of State for the Home Department [2017] UKUT 122, in respect of the relationship between paragraph 353 and 94B of the Immigration Rules. He also acted in XEM v Home Office [2016] EWHC 2622 (QB) as to whether a damages claim for unlawful detention which follows a judicial review claim is an abuse of process.  


Leon appeared in R (Kerman and Co LLP) v The Legal Ombudsman [2014] EWHC 3726 (Admin); [2015] 1 W.L.R. 2081 one of the first judicial review challenges to the Legal Ombudsman. He subsequently acted for a well known firm in another judicial review against the Legal Ombudsman which led to a favourable settlement. He has acted in two reported cases against the Office of the Independent Adjudicator, see above under ‘Education’.

He is also regularly acts for ombudsmen and adjudicators, recently being instructed by the Parliamentary and Health Service Ombudsman and the Pubs Code Adjudicator.

He has experience of professional disciplinary matters, and was recently instructed for an anti-fracking expert in disciplinary proceedings before the Institute of Engineering and Technology.


Leon regularly is instructed on disputes involving information law, both under the Data Protection Act 1998 and Freedom of Information Act 2000. He has acted for DVLA in tribunal proceedings arising from FoI requests, including Steel v ICO and DVLA EA/2016/0295 and Matveyev v ICO and DVLA EA/2016/0268. He has previously successfully defended a housing association in a claim for damages arising under the Data Protection Act: Hibbert v East Homes


Leon recently acted for two market traders who successfully challenged the Market Rasen Town Council’s decision to revoke their license (see news article here). He also regularly appears before Council licensing committees.