Judicial ethics refers to the standards of conduct, integrity and independence expected of judges and, in many contexts, of magistrates and tribunal members. It covers impartiality, avoidance of bias and conflicts of interest, propriety in and out of court, confidentiality, and limits on political or public commentary that could undermine confidence in the administration of justice.In the UK and Ireland, “judicial ethics” is a descriptive term rather than a single statutory definition. The core principles are set out in non‑statutory judicial codes and guidance, supplemented by constitutional provisions, case law on apparent bias and recusal, and rules on judicial discipline.In England and Wales and in Scotland, key sources include the Guide to Judicial Conduct and relevant judicial discipline regulations. In Northern Ireland, similar principles are reflected in local guidance and constitutional arrangements. In Ireland, the Judicial Council Act 2019 and associated guidelines play a central role.For legal practitioners, judicial ethics is most relevant when advising on recusal applications, apparent bias, fair hearing rights, complaints about judicial conduct, and the separation of powers, as well as when serving part‑time in judicial or quasi‑judicial roles.