18. Manifest unreasonableness.

18. Manifest unreasonableness.

Judicial Review (Volume 61A (2023)) | Commentary

(2)     Abuse of Power

(i)     Irrationality

18.     Manifest unreasonableness.

A decision of a tribunal or other body exercising a statutory discretion will be quashed for 'irrationality'1, or as is often said, for 'Wednesbury unreasonableness'2.