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High Court Rules Thames Valley Police Search Warrants Unlawful

By Drooid · Oct 9, 2026, 1:26 AM UTC · How we work

Summary

Story summary

High Court Justice Nicholas Hilliard ruled Thames Valley Police’s search warrants on Andrew Mountbatten-Windsor unlawful.
Andrew Mountbatten-Windsor was arrested on 19 February 2026 on suspicion of misconduct.
Police searched his Windsor home and a Sandringham Estate property using incorrect legislation.
Legal commentators note this is the first royal challenge to criminal proceedings since Charles I’s 1649 trial.
A private hearing on retaining the seized material is scheduled for 2027, which Andrew opposes.

History

Historical Context

The 1649 trial of King Charles I, convened by the English Parliament, culminated in his execution and reshaped sovereign immunity. Parliament appointed 135 commissioners, of whom 67 sat at the high court, establishing a precedent for holding a monarch accountable. Today, High Court Justice Nicholas Hilliard declared Thames Valley Police’s warrants against Prince Andrew Mountbatten-Windsor unlawful, echoing the centuries-old challenge to royal legal immunity. The ruling may compel future monarchs to submit to ordinary criminal processes, reinforcing parliamentary oversight and limiting privileged jurisdiction.

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Story summary

High Court Justice Nicholas Hilliard ruled Thames Valley Police’s search warrants on Andrew Mountbatten-Windsor unlawful.
Andrew Mountbatten-Windsor was arrested on 19 February 2026 on suspicion of misconduct.
Police searched his Windsor home and a Sandringham Estate property using incorrect legislation.
Legal commentators note this is the first royal challenge to criminal proceedings since Charles I’s 1649 trial.
A private hearing on retaining the seized material is scheduled for 2027, which Andrew opposes.

1 / 2