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Former Assizes, Northgate Street, Devizes
Former Assizes, Northgate Street, Devizes, Wiltshire, England

The courts of assize, or assizes (/əˈszɪz/), were periodic courts held around England and Wales until 1972, when together with the quarter sessions they were abolished by the Courts Act 1971 and replaced by a single permanent Crown Court. The assizes exercised both civil and criminal jurisdiction, though most of their work was on the criminal side.[1] The assizes heard the most serious cases, most notably those subject to capital punishment or, later, life imprisonment. Other serious cases were dealt with by the quarter sessions (local county courts held four times per year), while the more minor offences were dealt with summarily by justices of the peace in petty sessions (also known as magistrates' courts).

The word assize refers to the sittings or sessions (Old French assises) of the judges, known as "justices of assize", who were judges who travelled across the seven circuits of England and Wales on commissions of "oyer and terminer", setting up court and summoning juries at the various assize towns.


Middle English assise < Old French assise ("session, legal action" – past participle of asseoir, "to seat") < Vulgar Latin *assedēre < Latin assidēre ("to sit beside, aside, elsewhere") < ad + sedēre ("to sit").[2] The "courts of assize" were the English equivalent of the still existing French Cours d'assise.


Diagram of common-law courts in England and Wales before the Judicature Acts
Diagram of common-law courts in England and Wales before the Judicature Acts

By the Assize of Clarendon of 1166 King Henry II established trial by jury by a grand assize of twelve knights in land disputes, and itinerant justices to set up county courts.[3] Before Magna Carta was passed (enacted) in 1215, writs of assize had to be tried at Westminster or await trial at the septennial circuit of justices in eyre. The great charter provided for land disputes to be tried by annual assizes at more convenient places. This work soon expanded, becoming five commissions. In 1293, a statute was enacted which formally defined four assize circuits.[4]

For centuries, many justices of the Court of King's Bench, those of the Court of Common Pleas, and barons of the Exchequer of Pleas in some seasons of the year travelled around the country contributing to five commissions: their civil commissions were those of assize and of nisi prius; their criminal law commissions were those of the peace, of oyer and terminer and of (or for) gaol delivery.

The second commission heard cases which plaintiffs sought to receive priority. From an Act passed in the reign of King Edward I plaintiffs (claimants) could file pleadings at Westminster for the court to issue a writ to summon a jury to Westminster to appoint a time and place for hearing the causes there, stating the county of origin. Such writs used the words and form of nisi prius (Latin: "unless before"). The writ called the parties to Westminster (on a longstop date) unless the king's justices had assembled a court in the county to deal with the case beforehand.

The commission of oyer and terminer, was a general commission to hear and decide cases. The commission of gaol delivery required the justices to try all prisoners not yet tried by judges held in the gaols.

Historically, all justices who visited Cornwall were also permanent members of the Prince's Council, which oversees the Duchy and advises the Duke.[5] Before the creation of the Duchy, the Earls of Cornwall had control over the assizes. In the 13th century Richard, 1st Earl of Cornwall, feted as 'King of the Romans', moved the Assizes to the new administrative palace complex in Lostwithiel but they later returned to Launceston.[6]

19th and 20th centuries[edit]

Few substantial changes occurred until the nineteenth century. From 1832 onwards, Wales and the palatine county of Chester, served by the Court of Great Sessions, were merged into the circuit system. The commissions for (the City of) London and Middlesex were replaced with a Central Criminal Court, serving London's broadened metropolis, and county courts were established widely to hear many civil cases which had taken the writ-action form of nisi prius.

The Supreme Court of Judicature Act 1873, which merged judges of equity and common law competing systems into the Supreme Court of Judicature, transferred the jurisdiction of the commissions of assize (e.g. the possessory assizes that heard actions relating to the dispossession of land) to the High Court of Justice, and established district registries of the High Court across the country, leaving a minimal civil jurisdiction to the (travelling) assizes.

In 1956 crown courts were set up in Liverpool and Manchester, replacing the assizes and quarter sessions. This was extended nationwide in 1972 following the recommendations of a royal commission.


From 1293, sets of judges toured across four circuits; from 1328, six circuits which changed in content until an extra was added in 1876.[7] As at 1831 they were:

Yorkshire was for a time removed from the Northern Circuit and placed on the Midland Circuit.

The North-eastern Circuit was formed in 1876 and contained Yorkshire, Durham and Northumberland.[9] By 1960 these seven circuits saw no longer a Home nor a Norfolk Circuit, instead a South-eastern Circuit and a Wales and Chester Circuit.[10] In 1972, the Midland Circuit and the Oxford Circuit were combined and became the Midland and Oxford Circuit.[11][12]

Each had its own bar and mess (also called a circuit mess or bar mess). The mess was a society of those jurists practising on the circuit. The bar was its barristers' subset.[13][14][15][16][17]

Circuits continue today with similar functions as professional associations for barristers and administrative divisions for judges.[18]

Assize records[edit]

The National Archives holds most of the surviving historical records of the assizes.[19]

See also[edit]

  • Chisholm, Hugh, ed. (1911). "Assize" . Encyclopædia Britannica. Vol. 2 (11th ed.). Cambridge University Press.
  • Cockburn, J S. A History of English Assizes, 1558–1714. Cambridge University Press. 1972.


  1. ^ O Hood Phillips. A First Book of English Law. Fourth Edition. Sweet & Maxwell. London. 1960. pp 54 & 55.
  2. ^ "assize". Unabridged. Retrieved 13 August 2011.
  3. ^ Warren, W. L. (1973). Henry II. Berkeley and Los Angeles, Calif.: University of California Press. pp. 281–283. ISBN 0-520-02282-3. OCLC 724021. Retrieved 13 August 2011.
  4. ^ Cockburn, J.S. (1972). A History of English Assizes, 1558–1714. Cambridge: Cambridge University Press. p. 17. ISBN 978-0521084499.
  5. ^ Pearse, Richard. Aspects of Cornwall's Past, Dyllansow Truran, Redruth, 1983, p. 52.
  6. ^ John MacLean (historian), Parochial History of the Deanery of Trigg Minor, vol 1, 1872
  7. ^ Baker, J H. An Introduction to English Legal History. Third Edition. Butterworths. 1990. p. 25.
  8. ^ Mogg, Edward. "Circuits of the judges" in Paterson's Roads. Eighteenth Edition. London. 1831. p. 712.
  9. ^ "The Northern Circuit" (1915) 138 The Law Times 301
  10. ^ O Hood Phillips. A First Book of English Law. Fourth Edition. Sweet & Maxwell. London. 1960. p. 54.
  11. ^ Christopher Hibbert and Edward Hibbert. The History of Oxford. MacMillan. 1988. p. 109. Google Books.
  12. ^ Lord Chancellor's Dept. Review of the criminal courts of England and Wales: Report. The Stationery Office. 2001. p. 285. Google Books.
  13. ^ The Earl of Halsbury. The Laws of England. First Edition. Butterworth. 1908. Volume 2. p. 367.
  14. ^ (1966) 76 The Listener 380 Google Books
  15. ^ "Circuit and Bar Messes" (1970) 56 ABA Journal 239
  16. ^ Richard Meredith Jackson. Jackson's Machinery of Justice. Eighth Edition. Cambridge University Press. 1989. ISBN 978-0521317672 p. 458.
  17. ^ Allyson Nancy May. The Bar and the Old Bailey, 1750–1850. UNC Press. 2003. p. 134.
  18. ^ "Other organisations". Retrieved 20 July 2023.
  19. ^ The National Archives research guide: Criminal trials in the assize courts 1559-1971