Investigation · filed 12 March

Two years, a hundred and forty-nine requests, and a number nobody wanted to publish.

It began with one refused request in 2024 and ended with a dataset the department had told us four times did not exist. The chronology below is the one we handed to our lawyers before publication.

April 2024

The first refusal

A routine request for monthly figures came back refused under section 31. The refusal letter cited a series that, by its own reference number, had to exist.

April 2024
November 2024

Internal review, then the Commissioner

The internal review upheld the refusal in nine working days. Our complaint to the Information Commissioner then sat for seven months, which is close to the median for that year.

November 2024
June 2025

Decision notice

The Commissioner ordered disclosure of four of the eleven fields. The department appealed to the First-tier Tribunal, then withdrew the appeal eight days before the hearing.

June 2025
January 2026

The dataset arrives

Eleven CSV files, 2.3 million rows, postcodes redacted to sector level. Two weeks of reconciliation against the published quarterly totals, which did not match them.

January 2026
March 2026

Right of reply, then publication

Ten working days for a response. The department disputed one figure; we corrected it and published the correction alongside the original rather than in place of it.

March 2026
BodyRequestsReleasedRefusedWon on appeal
Home Office4112297
Ministry of Justice281993
Six police forces63382511
HM Prison & Probation Service174135
Total149737626

The source files, the decision notice and our reconciliation workings are published in full. Nothing in this investigation rests on an anonymous source.