The site was originally occupied by The Brooks, a country house built for James Charles Hill of Blaenavon Ironworks in the 1860s.

[1] It was renamed Nevill Hall, in recognition of his own family name, when it was acquired by the Marquess of Abergavenny in 1890.

[1] After the Marquess died in 1915, it had two further owners before being sold to the local hospital board for use as a convalescent facility in 1920.

[1] By the late 1960s the hospital needed modernising and the current facility was opened in 1970.

[2] The Accident & Emergency Department at Nevill Hall was closed in November 2020, with services being transferred to the newly opened Grange University Hospital in Cwmbran.