The Technology and Construction Court in Wales


His Honour Judge Keyser KC became one of the Judges of the Technology and Construction Court in 2011.

He is also authorised to sit in the Circuit Commercial Court, the Administrative Court, the Planning Court, the King’s Bench Division and the Upper Tribunal.

Judge Keyser QC was educated at his local state secondary school, Cardiff High School, before reading law at the University of Oxford.

He was called to the Bar in 1986 and practised from chambers in Cardiff in a wide range of the work that now falls within the Business and Property Courts.

He was appointed a recorder in 2002, a QC in 2006 and a Deputy High Court Judge in 2008, before his appointment as a Judge in 2011. He was the principal Judge of the Technology and Construction Court in Leeds in 2011–2012. In 2012 he was appointed as the Mercantile Judge (now Circuit Commercial Judge) for Wales and became the principal Judge of the Technology and Construction Court in Wales.

His Honour Judge Milwyn Jarman KC was called to the Bar in 1980. He undertook pupillage in 9 (formerly 34) Park Place Cardiff and continued to practice in those chambers throughout his career at the bar, specialising in chancery, planning and governmental law. He was appointed to the National Assembly of Wales Panel of Public Counsel and was appointed a Queen’s Counsel (now King’s Counsel) in 2001. 

He was made a recorder of the Crown Court in 2001, a civil recorder in 2004, and a family recorder in 2006. He was appointed as a Senior Circuit Judge (Chancery Judge for Wales) in 2007. He is also authorised to sit as a Deputy High Court Judge in the Kings Bench Division, including Mercantile, Technology and Construction, and Administrative Courts. In 2014, he was authorised to sit in the Planning Court. He also sits as a judge of the Upper Tribunal, in the Land, Property and Tax, and Immigration and Asylum Chambers.

He was Chair of the panel to appoint the first president of the Welsh Language Tribunal and is able to hear cases in the Welsh language. He is currently the lead Diversity and Community Relations Judge in Wales. He has been a tutor judge on the Judicial College Specialist Civil Seminars since 2008. He was Chair of Legal Wales Foundation Board from 2011 to 2019. He is an advisory editor of Sweet & Maxwell Civil Procedure and an editor of the University of Wales series “The Public Law of Wales.” In 2018 he became a member of the Civil Procedure Rule Committee. He is a Bencher of Gray’s Inn.

Wales TCC Contact and other details

Address: Technology and Construction Court, Business and Property Courts in Wales, Cardiff Civil Justice Centre, 2 Park Street, Cardiff CF10 1ET

Telephone: 029 20376412

DX 99500 Caerdydd/Cardiff 6

BPC Team Leader: Matthew Solomons


Clerk to HHJ Keyser QC:
Barry Sharples

Clerk to HHJ Jarman QC:
Ralitsa Petrova