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Daniel Hallström

Call: 2024

"Old Square are my preferred set of chambers and have been throughout my career. They will always try to accommodate needs and the set are very down to earth and approachable. We have developed very good working relationships with the team over the years."

The Legal 500

Overview

Daniel joined Chambers in October 2025 following the successful completion of his pupillage. During pupillage, he was supervised by Madeline Stanley, Victoria Webb, Christopher Edwards, and Jack Mitchell.

Daniel has experience in and accepts instructions across all of Chambers’ core practice areas. During pupillage, he gained experience in a wide range of employment, personal injury, clinical negligence, and public law work.

Daniel has a busy practice, acting regularly for claimants and defendants in a wide range of multi-track, intermediate track and fast-track matters, including personal injury claims involving allegations of fraud and fundamental dishonesty, fatal accident, industrial disease, and clinical negligence claims.

Daniel also appears in the Employment Tribunal, representing both claimants and respondents across the range of employment matters, as well as in employment-related claims in the civil courts, including claims related to police compensation. He is instructed in the Police Overtime Claims Litigation in the High Court alongside Rosalie Snocken.

Prior to commencing pupillage, Daniel had already gained significant tribunal experience as a Legal Officer at the Free Representation Unit (FRU), including led and unled appellate work in the Employment Appeal Tribunal and Upper Tribunal (Administrative Appeals Chamber), such as Hilton Food Solutions Ltd v Wright [2024] ICR 862 (re: scope of unfair dismissal protections for parental leave) and Matondo v Kingsland Nursery Limited [2024] EAT 123 (re: approach to corroboration of evidence). Since completing pupillage in October 2025, he has appeared twice in the Court of Appeal and in the Employment Appeal Tribunal.  He is currently instructed alongside Richard O’Keeffe and Jack Mitchell in a significant expedited appeal to the Court of Appeal regarding the scope of continuation of contract orders for fixed-term employees awarded interim relief.

He is particularly interested in collective labour law and is developing a practice in this area. He also has a niche specialism in social security law, having previously worked in front-line housing and benefits advice. He successfully represented the Appellant in Kuželová v The London Borough of Barnet & anor [2026] UKUT 272 (AAC), a significant challenge to the Housing Benefit Regulations 2006, found to be discriminatory in their application to EU migrant workers.

He is a FRU trustee.

Daniel speaks Swedish (bilingual), intermediate Italian, Russian, and French, and basic Ukrainian.

Awards and prizes

Certificate of Honour, Middle Temple

Queen Mother Scholarship & Harmsworth Entrance Exhibition, Middle Temple

Excellence Scholarship & Career Commitment Scholarship, BPP

Academic Scholarship, St Hugh’s College, University of Oxford.

Academic history

PGDip, Legal Practice (Bar), BPP (Distinction)

GDL, BPP (Distinction)

MPhil in Political Thought and Intellectual History, University of Cambridge (Distinction)

BA History, University of Oxford (First)

Membership

PIBA, ELA, ILS, Advocate, FRU, Haldane Society of Socialist Lawyers

Key contacts

Manisha Agheda

Team Leader Assistant
Manisha Agheda Telephone Clerk020 7269 0482 Email Clerk

Lee Jennings

Senior Team Leader
Lee Jennings Telephone Clerk0207 269 0303 Email Clerk
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Out of hours

William Meade (Senior Clerk)

07970 649 755