England and Wales Case Law

Lowe, R (On the Application Of) v Independent Complaints and Grievance Scheme

Lowe, R (On the Application Of) v Independent Complaints and Grievance Scheme [2026] EWHC 1163 (Admin) (14 May 2026)

The High Court held that a judicial review challenge to an ICGS investigation into an MP’s conduct was barred by Parliamentary privilege and not justiciable.

• Parliamentary privilege
• Judicial review
• Disciplinary proceedings against mps
• Exclusive cognisance
• Separation of powers
• Parliamentary-privilege

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Rupert Lowe MP, R (on the application of) v Independent Complaints and Grievance Scheme

The High Court held that a judicial review of an ICGS investigation into an MP was barred by Parliamentary privilege and not justiciable.

• Parliamentary privilege
• Justiciability
• Disciplinary proceedings against mps
• Judicial review
• Separation of powers
• Parliamentary-privilege

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