[1] Haig House, which was originally commissioned by the distiller John Haig for use as his home, was designed by David Bryce in the Scottish Baronial style and completed in 1849.

[2] It later became the family home of Field Marshal Earl Haig, his son.

[3] An infectious diseases hospital was established on the site in 1912 when Haig House was converted into an administration block and ward pavilions were built in the grounds.

[3] A new administration block was completed in 1940 at which time Haig House was converted for use as a nurses' home.

[3] The building was used as a military hospital during the Second World War before joining the National Health Service as Cameron Hospital in 1948.