A foundation stone was laid on behalf of the directors of the Powell Duffryn Steam Coal Company and the Lancaster Steam Coal Company, another on behalf of their workers and a third stone on behalf of the people of Abertillery on 25 September 1920. The hospital was designed by Walter Prosser and built by John Henry Monks.
A ceremonial marking took place in 1920 to commemorate the establishment of the hospital, with stones laid on behalf of the company directors, workers, and local residents. The institution was conceived by Walter Prosser and constructed by John Henry Monks.