 A supermax segregation unit (the biggest in Europe) a new residential wing called Perrie Wing was opened at Long Lartin in June 1999, designed to hold the most violent and dangerous types of offenders.The new wing substantially increased the capacity of Long Lartin Prison.A November 2003 inspection report from Her Majesty's Chief Inspector of Prisons stated that Long Lartin Prison was generally safe for inmates and offered good staff-prisoner relations and reoffending work.