[1] The hospital was located at a site which was once known as Herdmanflat Farm.

[2] The facility was designed by Peddie and Kinnear and opened as the East Lothian District Asylum in 1866.

[3] After the Garleton Unit at Herdmanflat Hospital had been upgraded at a cost of £250,000, mental health services transferred from Edenhall Hospital in Musselburgh.

This created a "one-stop shop for older people's mental health services" for the whole of East Lothian at Herdmanflat Hospital.

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