[8] In the 18th century, the castle was demolished and the stones used to build Redhall House in 1756 under the ownership of George Inglis of Auchendinny.
[9] By the early 20th century, the House was purchased by the Edinburgh Corporation and converted to a children's home, now since defunct.
[12] Longstone developed and expanded significantly after the Second World War and now, predominantly consists of post-war, mid 20th century housing in flats and semi-detached villas.
[13] The area occupied by the current Longstone Bus Garage was previously in use as a brickworks until the late 1940s.
Longstone borders Craiglockhart to the east, Kingsknowe and Colinton to the south, Wester Hailes and Parkhead to the west, and Saughton, Stenhouse and Slateford to the north.
Longstone's most dramatic features are the Slateford Aqueduct (1822) carrying the Union Canal and the adjacent railway viaduct (1842).
[16] There are also a small number of shops, a large Sainsburys supermarket and a car dealership, in addition to several churches.
Longstone Primary School is a Category C listed structure and was built between 1954 and 1957 to a design by Reid and Forbes in a horizontal art deco style.