|Frimley Health NHS Foundation Trust|
|Location||Ascot, Berkshire, England, United Kingdom|
|Care system||Public NHS|
|Hospital type||District General|
|Emergency department||No. Has Minor Injuries Unit|
|Lists||Hospitals in England|
The hospital has its origins in a Victorian country residence known as “Heatherfield” built in 1876, possibly for the Farrar family (whose motto 'Ferre va Ferme' appears over the front door). It was in the ownership of the Ponsonby family between 1881 and 1891, when the Hon. Ashley Ponsonby, a Justice of the Peace and cousin of Sir Henry Ponsonby, Equerry to Queen Victoria, and his family had their country seat there.[a]
By 1900 the estate was known as Heatherwood and had been acquired by Sir Thomas Lucas, Bt., the son of Thomas Lucas, one of the founders of Lucas Brothers, the builders. The estate was offered for sale at auction by Messers Chancellor and Sons in 1906, but initially failed to find a purchaser. The house and estate was eventually acquired by the United Services Fund (possibly in 1919 when the estate was again offered for sale at auction but more likely in 1920 when it was sold by private treaty by Hamptons).
The United Services Fund converted the building into a hospital for the children of ex-servicemen from the First World War. Patients were admitted from 1922 and the new hospital was officially opened by the Duke of Connaught in May 1923.  The new facility specialised in the treatment of children suffering from tuberculosis and orthopaedic diseases. The hospital joined the National Health Service in 1948 and new accident and emergency, out-patient, physiotherapy and hydrotherapy facilities were opened by the Princess Royal in 1961. A new maternity department opened in 1972 and a new mental health and elderly health unit was opened by Princess Anne in 1988.
- On 28 January 1891, Claude Ashley Charles Ponsonby, Ashley Ponsonby's son, married Miss Haller Gross Horwitz of Baltimore in the USA at All Saints church in Ascot. Claude's brother Eustace was the best man. The church was "crowded with representatives of a number of the most aristocratic English families and was handsomely decorated with palms and lilies of the valley". After the wedding, the bride's mother Mrs Horwitz "...gave a dejeuner at Heatherfield, which was largely attended".
- "Report of the Medical Officer of Health for Westminster, The United Parishes of St. Margaret and St. John, Westminster". 1890. Retrieved 14 August 2018.
- New York Times, 29 January 1891
- Marriages: "Sir Thomas Lucas Bt. of 12a Kensington Palace-gardens, and Heatherwood, Ascot....", The Times, 27 October 1900
- The Times, The Estate Market, 1906
- The Times, 21 November 1919
- The Times, The Estate Market, 4 February 1920
- "A brief history of Heatherwood Hospital". League of Friends. Retrieved 14 August 2018.
- "Heatherwood hospital birth unit is closed indefinitely". BBC. 27 January 2012. Retrieved 14 August 2018.
- "Berkshire councils row over Heatherwood Hospital future". BBC. 4 July 2013. Retrieved 14 August 2018.
- "Filming locations for Carry on Matron". IMDB. Retrieved 19 December 2010.