High Court Rules Mountbatten-Windsor Search Warrants Unlawful

The High Court has quashed search warrants executed against Andrew Mountbatten-Windsor, ruling that Thames Valley Police utilized an incorrect statutory provision to obtain them. These warrants, issued in February 2026, were intended to facilitate an investigation into allegations of misconduct in public office during his tenure as a trade envoy.

The court determined that the warrants should have been sought under section nine of the Police and Criminal Evidence Act rather than section eight, due to the presence of special procedure material.

Police Seek Retention of Seized Materials

While the warrants are now void, the underlying criminal investigation remains active. Police have filed a separate application to retain the electronic devices and documents seized during the raids. They argue that the evidence remains admissible under alternative legal frameworks. A hearing to determine the status of the seized property is scheduled for next year.

Procedural Vulnerabilities Highlighted

This ruling highlights procedural vulnerabilities in high-profile investigations involving sensitive or privileged documentation. Thames Valley Police acknowledged the legal error in their application process while maintaining that the investigation into Mountbatten-Windsor's conduct continues. The outcome underscores the strict evidentiary requirements for warrants involving materials held under professional or confidential obligations.