William Hansen
Year of Call: 1992
Email Address: [email protected]
CJSM: [email protected]
Telephone: 020 7583 8055
Clerks Details
- Clerk Name: Tom Cox
- Clerk Telephone: 0117 928 1520
- Clerk Email: [email protected]
- Clerk Name: Gemma Faulkner
- Clerk Telephone: 020 7583 8055
- Clerk Email: [email protected]
Public and Regulatory
William Hansen is a member of the Attorney-General’s ‘A’ Panel of Counsel to the Crown in civil matters and acts for a variety of government agencies, including the Secretary of State for the Home Department, the MoJ, the Department of Health, the Secretary of State for Business and HMRC.
As such he is a specialist in public law and judicial review and regularly appears in the Administrative Court acting for the Crown, particularly in the field of immigration, where he has a particular interest in citizenship and nationality, Article 8 ECHR, criminal deportation, asylum, human trafficking and unlawful detention.
His expertise extends to any case involving a challenge to the legality of a decision taken by a public body and he has particular expertise in all aspects of human rights.
William has wide experience of disciplinary proceedings against professionals and has appeared before the SDT, NMC and RICS.
William also sits as a Legally Qualified Chair for Police misconduct hearings and as a fee-paid Judge of the First Tier Tribunal.
Recent cases
R (on the application of O (A Child)) v SSHD, Supreme Court, [2022] 2 WLR 343
Statutory interpretation.
MY (Pakistan) v SSHD [2022] 1 WLR 238
What constitutes refusal of a human rights claim.
OA (Somalia) (CG) [2022] UKUT 00033
Country guidance case on Somalia.
R (oao Topadar) v. SSHD [2021] 1 WLR 2307
Leave to remain, variation application, s.3C leave, human rights claims.
R (oao Alam) v. SSHD [2021] Imm AR 516
Notice of curtailment decision, presumptions, deeming provisions.
R (oao Carlos) v SSHD [2021] EWHC 986 (Admin)
Credibility and fresh claim, Article 3 and suicide risk.
R (on the application of Williams) v. SSHD [2017] EWCA Civ 98
Ultra vires and Article 8 and Article 14 ECHR.
Police law
William Hansen has sat as an Legally Qualified Chair (LQC) on police misconduct hearings for a number of years and so has very extensive knowledge and experience of all aspects of police misconduct.
He is happy to accept instructions to act for the Appropriate Authority and is equally happy to accept instructions from officers who work for police authorities that do not retain him as an LQC.
He also has very broad and deep experience of judicial review as a member of the Attorney General's A list of Panel Counsel.
Related Articles
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Two of 3PB’s public law barristers, William Hansen and Matthew Wyard, pictured left to right, both appeared in the important appeal of THTN v Secretary of State for the Home Department (“THTN”) which was handed down on 20th October 2023. The appeal has clarified what an appellant must demonstrate in Article 3 medical claims following the Supreme Court’s decision in AM(Zimbabwe) [2020] UKSC 17 (“AM (Zimbabwe)”). The key point of principle arising in THTN concerned...
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Chambers is delighted to announce employment and national security law barrister Mark Green's promotion to the Attorney-General’s London A Panel for a period of five years, commencing on Friday 1st September 2023. He had been on the London B Panel since September 2019. Mark Green, pictured here, frequently appears for both claimants and respondents, dealing with claims in the Employment Tribunal, Employment Appeal Tribunal, Court of Appeal, High Court and County Court. Mark has a...
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International Men’s Day, celebrated worldwide since 1999, focuses on six key pillars, including honouring positive male role models in all walks of life, celebrating men’s contributions to family and community, as well as addressing the need to focus on men’s mental and physical wellbeing. While there are far too many achievements to note, International Men’s Day 2022 (19 November) gives us the chance to celebrate just some of the accomplishments of the men at 3PB...
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3PB congratulates William Hansen, pictured here, on his recent authorisation to sit as a High Court Judge in the Chancery Division. His appointment will be effective from 7th March 2022 for six years. William Hansen specialises in both public and regulatory law, and property and commercial law. He has recently appeared in a series of important cases in the Court of Appeal and Supreme Court and is a member of the Attorney General’s A Panel. ...
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