Post Office Horizon Inquiry: Timeline
Key dates in the inquiry's progress, assembled from its recorded milestones and hearing phases.
Hearing-phase dates are taken from the published hearing days; some earlier milestone dates are approximate where the inquiry has not published an exact date.
Milestones & hearing phases
Milestone
Hearing phase
Reports & costs
Still to come
Evidential hearings
229 sitting days
Inquiry announced
The Prime Minister committed to an independent inquiry into the Horizon IT system, established on a non-statutory basis.
Chair Appointed
Sir Wyn Williams appointed as Chair.
Converted to statutory inquiry
Inquiry converted to statutory public inquiry with power to compel witnesses.
Procedural / preliminary hearing
5 sitting days
Interim report on compensation
Sir Wyn Williams laid before Parliament his first interim report, on the compensation schemes.
Hearings conclude
Closing statements ended the oral hearings, which ran across Phases 1 to 7 from February 2022.
Final report Volume 1 published
Volume 1 of the final report, on the human impact of the scandal and redress, was laid before Parliament (HC 1119); further volumes remain pending.
Final report (to be confirmed)
The inquiry has not yet reported.