In July 2020 it announced plans to merge with Western Sussex Hospitals NHS Foundation Trust.
The Trust is undergoing a £484.7 million public capital development programme for the modernisation of the Royal Sussex County Hospital, which has the oldest buildings in the NHS still used for acute care.
[6] After securing agreement from NHS Improvement, the Trust got planning permission in September 2017 for a £30 million redevelopment of the Royal Sussex County Hospital's A&E department, including a new 70 bed short-stay ward.
A Care Quality Commission report in 2014, said that accident and emergency services at Royal Sussex County Hospital were inadequate for responsiveness, suffered significant pressures and lacked sufficient physical space to deal with the number of patients that attended.
[9] The trust was one of 26 responsible for half of the national growth in patients waiting more than four hours in accident and emergency over the 2014/15 winter.
It was told to improve its risk management as patients were being put at unnecessary risk because they were not being dealt with properly or in appropriate areas, to ensure the care privacy and dignity of people attending hospital and to ensure patients are seen in line with national timescales for diagnosis and treatment.
[17] The CQC concluded that "There is no doubt that improvements have been made since our last inspection and that the staff involved in the delivery of that change should be congratulated.
[23] After a history of claims of discrimination at the Trust, the CQC found in its January 2019 report that "Staff felt equality and diversity were promoted in their day today work.