Louisa Collins

Year of Call: 2004

Louisa Collins is a barrister specialising in extradition, international crime and human rights law. Louisa is ranked in Chambers and Partners and Legal 500 for her extradition work.

Our specialist clerks can be contacted by email on clerks@5sah.co.uk or phone on 020 7332 5400. To contact our Chambers Director directly in relation to a specific members’ practice, please email dscothern@5sah.co.uk


Louisa is a barrister specialising in extradition, international crime and human rights law.  Louisa has been ranked in Chambers and Partners since 2017 as a leader in the field of extradition at the London Bar. 

"She provides very clear advice and is very impressive."

Chambers and Partners 2019.

"Exceptional client handling skills" and "very impressive written arguments."

Chambers and Partners 2018.

Louisa is also ranked in Legal 500 for her work in international crime and extradition.

‘Extremely experienced and a pleasure to work with.’

Legal 500 2019.


‘Brings tranquillity to high-pressure cases.’

Legal 500 2020.

Louisa is recognised for her hard work ethic, her ability to handle complex and sensitive cases and also her approachability.

"Her skeletons are just so professional and she is one of those people that when she goes before a judge she commands the respect of all the judges there."

"Very persuasive and very knowledgeable, she's firm in her approach when necessary."

Chambers and Partners 2017.

Professional Panel Appointments:

  • Specialist Crown Prosecution Service (CPS) Extradition panel: Level 2.

Professional Memberships

  • Defence Extradition Lawyers’ Forum.
  • Extradition Lawyers Association.

Immigration + View All Specialist Areas

Louisa accepts immigration instructions and her extensive experience in international human rights’ and extradition work, means that she is ideally placed to advise in relation to most immigration cases.

She is ideally placed to advise in cases with linked extradition proceedings.

Cases of Note

USA v Leach

Accusation request raising issues concerning the validity of the request, dual criminality, Article 5 and Article 3.

Bowen v USA [2015] EWHC 1873 (Admin) and [2015] EWHC 1873 (Admin)

Civil commitment, Article 5

USA v Giese [2015] EWHC 3658 (Admin)

Assurances, civil commitment, mental disorder, Article 5 ECHR.

USA v Brenner

Accusation request raising Article 5 issues.

USA v Mitchell

Accusation requests raising issues under Article 5, Article 3, double jeopardy, abuse of process and Article 8.

Surovy v Slovakia [2019] EWHC 1309 (Admin)

Proportionality, exceptional circumstances under Crim PD XI para.50A.4.

Carpenter v Italy [2019] EWHC 211 (Admin)

s12A, charging decisions.

Beczer v Poland [2019] EWHC 1016 (Admin)

Time served.

Szlachetka v Poland [2019] EWHC 1329 (Admin)


Bulgaria v Minchev [2019] EWHC 1925 (Admin)

Dual criminality.

Zagul v Poland [2019] EWHC 121 (Admin)

Article 8.

Ostalowski v Poland [2018] EWHC 416 (Admin)

Fresh evidence, mental health, Article 8.

Lekawski v Poland [2018] EWHC 1049 (Admin)

Delay & proportionality.

Biesek v Poland [2018] EWHC 124 (Admin)

Young offenders, Article 8.

Kemp v Spain [2016] EWHC 69 (Admin)

Credit for time served, curfews and proportionality.