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Florence Iveson’s main practice areas are criminal and public law with a primary interest in extradition. She is described as “an exceptional advocate” in the Legal 500, and is ranked as a Tier 2 leading junior in international crime and extradition. She has received similar plaudits in Chambers and Partners, being described as an “excellent” junior, “energetic, knowledgeable and someone who cares deeply about her cases” and “always invested in the case and so committed, she goes above and beyond for the client.”


Florence is regularly instructed in complex matters including Part 2 cases, dealing with both technical and human rights issues.

Florence often appears before the Divisional Court, in her own right and lead by Queen’s Counsel. Florence has appeared without a leader in the Divisional Court against leading extradition silks, for example in the high profile case of Herba v Italy [2018] EWHC 3211 (Admin) and Mohammed v Portugal [2017] EWHC 3237 (Admin).

Florence currently has two appeals ongoing which were assigned a 3 judge Divisional Court due to their complexity. She is also acting at first instance for the government of the United States in an extradition request relating to organised crime and drug importation, as well as representing a requested person whose extradition has been requested by the Government of North Macedonia.

Florence has acted in many of the leading extradition appeals in recent years, including on fair trial rights in Poland (Lis v Poland [2019] EWHC 674 (Admin)), complex VAT carousel frauds (Malik v Germany [2018] EWHC 3479 (Admin), speciality (Kortas v Poland [2017] EWHC 1356 (Admin)) and section 12A (Puceviciene v Lithuania [2016] EWHC 1862 (Admin)).

Florence has a particular expertise in cases where extradition is resisted on the basis of poor prison conditions and is currently junior counsel in the lead appeals challenging extradition to Hungary and to Lithuania (ongoing). She has also had a large number of successes both at first instance and on appeal arguing Article 8 family life grounds (for example recently in Demirov v Bulgaria [2018] EWHC 3812 (Admin) and DK v Belgium [2018] EWHC 2242 (Admin)).

Criminal Law

Florence has undertaken a range of criminal work from the Magistrates’ Court to the Crown Court and the Court of appeal. Florence’s interest in international crime lead to her working on a complex multi–jurisdictional case for the Serious Fraud Office involving possible international corporate corruption. Florence also has an interest in consumer law, having acted for Trading Standards Authorities many times, spoken at the annual TSI conference and also provided training for Trading Standards Officers.

Public Law

Florence was involved in education appeals in her early career and has also undertaken a wide range of immigration matters. Florence has recently been appointed to the Attorney General’s London C Panel.

Notable Cases

  • Versluis v Netherlands [2019] EWHC 764 (Admin)
  • Lis v Poland (No.2) [2019] EWHC 674 (Admin)
  • Gorczewski v Poland [2019] EWHC 279 (Admin)
  • Malik v Germany [2018] EWHC 3479 (Admin)
  • Szalai v Hungary [2018] EWHC 3840 (Admin)
  • Demirov v Bulgaria [2018] EWHC 3812 (Admin)
  • Duarte v Portugal [2018] EWHC 2995 (Admin)
  • Lis v Poland (No.1) [2018] EWHC 2848 (Admin)
  • Poland v Zamojski [2018] EWHC 2816 (Admin)
  • Dos Macedo v Spain [2018] EWHC 2716 (Admin)
  • Kusza v Poland [2018] EWHC 2610 (Admin)
  • DK v Belgium [2018] EWHC 2242 (Admin)
  • Zdravkov v Bulgaria [2018] EWHC 1823 (Admin)
  • (on the application of Roezner) v Poland [2018] EWHC 1877 (Admin)
  • Herba v Italy [2018] EWHC 3211 (Admin)
  • Kricka v Croatia [2018] EWHC 1129 (Admin)
  • Connor v Germany [2018] EWHC 829 (Admin)
  • Georgiev v Bulgaria [2018] EWHC 359 (Admin)
  • Mohammed v Portugal [2018] EWHC 225 (Admin)
  • Mohammed v Portugal [2017] EWHC 3237 (Admin)
  • Kirsanov v Estonia [2017] A.C.D. 137
  • Szczudlo v Poland [2017] EWHC 2874 (Admin)
  • Debiec v Poland [2017] EWHC 2653 (Admin)
  • Italy v Herba [2017] 9 WLUK 456
  • Kirchanov v Bulgaria [2017] EWHC 2048 (Admin)
  • Balog v Slovak Republic [2017] EWHC 2149 (Admin)
  • Trzesniowski v Poland [2017] EWHC 1536 (Admin)
  • Kirchanov v Bulgaria [2017] EWHC 1285 (Admin)
  • Kortas v Poland [2017] EWHC 1356 (Admin)
  • Kowalski v Poland [2017] EWHC 1044 (Admin)
  • Kirchanov v Bulgaria [2017] EWHC 827 (Admin)
  • Din v Germany [2017] EWHC 475 (Admin)
  • Kozlowski v Poland [2017] 3 WLUK 146
  • Dabrowski v Poland [2017] EWHC 179 (Admin)
  • Lakatos v Hungary [2017] EWHC 593 (Admin)
  • Skalmierski v Poland [2017] EWHC 1567 (Admin)
  • Weszka v Poland [2017] EWHC 168 (Admin)
  • Horbik v Poland [2017] EWHC 2485 (Admin)
  • Zimackis v Latvia [2017] EWHC 315 (Admin)
  • Kaulinis v Lithuania [2016] EWHC 3725 (Admin)
  • Czach v Poland [2016] EWHC 1993 (Admin)
  • Puceviciene v Lithuania [2016] EWHC 1862 (Admin)

Florence is regulated by the Bar Standards Board and accepts instructions under Standard Contractual Terms. To find out more information on this and the way we work at Matrix, including our fee transparency statement, please see our see our service standards.


An “outstanding” junior who prosecutes and defends complex extradition cases.

“A fantastic lawyer who is brilliant with clients and a persuasive advocate in her drafting as well as on her feet. She is a pleasure to work with a clearly a rising star among extradition lawyers.”

“Clever, hard-working and someone who can spot the weaknesses in a case, she rolls her sleeves up and gets completely stuck in.”

“Her levels of preparation and effort at all stages of proceedings are incomparable.”

Recent work: Acted in DK v Belgium, an extradition case regarding an individual wanted for burglaries.

Chambers & Partners, 2020 

“Immensely hardworking and driven; clients love her.”

Legal 500, 2020

An “excellent” junior who prosecutes and defends complex extradition cases. Her developing practice includes cases involving prison conditions. Interviewees praise her client care and note she has expertise in handling vulnerable clients.

“Energetic, knowledgeable and someone who cares deeply about her cases.” “Always invested in the case and so committed, she goes above and beyond for the client.”

Recent work: Appeared in Bulgaria v Adanali, successfully acting for an individual facing a EAW relating to a conviction for smuggling antiquities.

Chambers & Partners, 2019

An exceptional advocate – her work is always praised by lay clients

Legal 500, 2018

Instructed by governments and requested persons.

Legal 500 2017