Ms Siân McGibbon > Chambers of David Holland KC and Jenny Wigley KC > London, England > Barrister Profile
Landmark Chambers Offices
Landmark Chambers
180 FLEET STREET
LONDON
EC4A 2HG
England
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Ms Siân McGibbon
Position
Siân has been recognised by Legal 500 as a Rising Star in public and administrative law, and has appeared in more than a dozen reported cases including four appearances before the Court of Appeal and five before the Privy Council.
She has extensive experience working as sole counsel and as part of a team. She is direct access qualified and welcomes instructions on this basis in appropriate cases across all her practice areas.
Before coming to the Bar, Siân studied law at Oxford University and worked for the Ministry of Justice as judicial assistant to Lord Justice Hamblen (as he then was) in the Court of Appeal, where she was exposed to a judicial perspective on the court’s day to day work and proceedings. She maintains a strong academic interest in public law and is currently a postgraduate student at King’s College London, where her academic research complements her practice.
Memberships
- Planning and Environmental Bar Association
- United Kingdom Environmental Law Association
Lawyer Rankings
London Bar > Administrative law and human rights
(Rising stars)Ranked: Tier 1Siân McGibbon – Landmark Chambers ‘An amazing junior; she is clearly destined for greatness.’
‘Renowned set‘ Landmark Chambers stands out for its expertise in handling prominent civil liberties cases, and members regularly act in administrative law matters before the Court of Appeal and Supreme Court. Human rights work has been prominent in the team’s recent caseload. The ‘formidable advocate‘ David Blundell KC and the ‘excellent‘ Yaaser Vanderman appeared for the Northern Ireland Human Rights Commission before the Supreme Court concerning Reference by the Attorney General for Northern Ireland – Abortion Services (Safe Access Zones) (Northern Ireland) Bill, a challenge case concerning the compatibility of legislation introducing buffer zones, in which protests are prohibited, around abortion clinics in Northern Ireland with Articles 9, 10 and 11 of the European Court of Human Rights; the Supreme Court upheld the legislation. In recent developments for the set, David Lock KC retired from practice in December 2022; Siân McGibbon joined the group from 4-5 Gray’s Inn Square in January 2023; and Alex Goodman KC took silk in March 2023.