It is managed by Sussex Community NHS Foundation Trust.

The facility, which was financed by voluntary donations, was completed in 1892.

[1][2] The hospital expanded into new purpose-built facilities slightly further east along Hurst Road in May 1923.

[2] After the hospital joined the National Health Service in 1948, further additions included extra wards in 1981 and a new outpatients department in 1997.

[2] In June 2019 the trust began a consultation on closing a dementia ward at the hospital.