The hospital has its origins in the South Stoneham Union Workhouse designed by Charles Henman and William Hinves and built at a cost of £7,000 in 1848.

[3] Countess Mountbatten House, which was then only the United Kingdom's second NHS palliative care hospice opened on the site in 1977.

[5] In September 2018, it was announced that a new ground-breaking partnership was being established with Mountbatten Isle of Wight.

Providing their leadership and support, the formerly NHS-run Countess Mountbatten Hospice has been able to develop their services as an independent charity.

[6] Mental health services were transferred into a newly refurbished facility known as the Tom Rudd Unit in 2007.