Incident reporting system data quality audit

Internal audit of recording of reportable incidents on the incident reporting system (IRS).

The IRS data quality audit is carried out approximately annually. The data presented here shows the most recent assessment for each prison establishment.

This measure is part of the safety & order section of prisons data. The data source is prison performance ratings (annual).

Incident reporting system data quality auditCount
Rating 432
Rating 349
Rating 224
Rating 112


  • Data is not always available for, or applicable to, every prison; and the list of prisons will vary year on year due to closures and newly opened establishments.
  • Prison functions (Male Local etc.) refer to the function of the prison in the most recent year shown. The function of a prison may have been different in previous years.
  • A small number of prisons which are listed separately in the above table are physically co-located and cannot be distinguished on the map.
  • The markers on the map are indicative only. For further information on a prison, or for details of a prison's location, please consult the Ministry of Justice prison finder.
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