Dr Nick Armstrong > Matrix Chambers > London, England > Lawyer Profile

Matrix Chambers


Barrister specialising in public law, human rights and civil liberties with a particular focus on immigration, prisoners’ rights, social welfare and equality. Recent cases of note include T v The Chief Constable of Great Manchester Police & Ors [2013] EWCA Civ 25 (criminal records disclosure scheme found not to be Article 8 compliant), KA v Essex County Council [2013] EWHC 43 (Admin) (extending the protect ions owed to migrant famllies requiring accommodation); R (RB) v Devon County Council (2012] EWHC 3597 (Admin) (whether decision to contract out children’s services lawful); FV (Italy) [2012] EWCA Civ 1199 (leading case on deportation of EU citizens); James, Lee and Wells (Strasbourg decision finding detention of IPP prisoners to have been in breach of Article 5(1) ECHR); AM (Angola) [2012] EWCA Civ 521 (meaning of independent evidence of torture for immigration detention purposes).


Qualified solicitor 1998; called 2001; Inner Temple. Researcher, then research fellow at Nottingham Law School 1991-97; Irwin Mitchell, solicitor 1998-2001; barrister at Tooks Chambers 2001-07; joined Matrix Chambers 2007. Former editor of ‘Education, Public Law and the Individual’; deputy editor of the ‘UK Human Rights Reports’; various articles, papers and blogs.


Nottingham Trent University (1991 LLB; 1995 PhD).


Continually packing and unpacking the car (has small children).

Lawyer Rankings

London Bar > Immigration (including business immigration)

(Leading Juniors)Ranked: Tier 3

Nick ArmstrongMatrix ChambersNick is one of the most engaging and compelling advocates, whether in conferences with clients and witnesses, or on his feet during litigation.

London Bar > Inquests and inquiries

(Leading Juniors)Ranked: Tier 2

Nick ArmstrongMatrix Chambers

Consistently called upon for high-profile inquest and inquiry matters, Matrix Chambers is able to leverage the set’s additional expertise in areas such as administrative, criminal, mental health, police and prison law. Frequently appearing in inquests involving deaths in both police and prison custody, Philippa Kaufman KC‘s recent highlights include acting as lead counsel in the headline Undercover Policing Inquiry; Danny Friedman KC (leading senior junior Raj Desai) is acting as co-lead counsel on behalf of 300-plus survivors and bereaved families in The Grenfell Tower Inquiry; and a silk since 2021, Lorna Skinner KC‘s track record includes representing media organisations at public inquiries. Nick Armstrong has particular expertise in immigration detention deaths, while Blinne Ní Ghrálaigh is acting as the personal representative of Tony Dori (who along with two others) was killed in County Tyrone in Northern Ireland in 1991 when the police opened fire on a stolen car.

London Bar > Court of Protection and community care

(Leading Juniors)Ranked: Tier 3

Nick ArmstrongMatrix Chambers

London Bar > Administrative and public law (including elections)

(Leading Juniors)Ranked: Tier 2

Nick ArmstrongMatrix Chambers ‘Nick is a very determined barrister, who fights passionately on behalf of his clients. He backs this up with careful and detailed preparation. He has good judgement on tactical issues. His advocacy is focused and, when needed, unrelenting.’   

London Bar > Education

(Leading Juniors)Ranked: Tier 2

Nick ArmstrongMatrix ChambersNick has great preparation skills and an exceptional straight talking advocacy style.