The memorial lists 13,389 names of British and Commonwealth soldiers with no known grave who were killed in the area prior to the start of the Battle of Loos on 25 September 1915.
Those commemorated on this memorial include the Victoria Cross recipients Abraham Acton, William Anderson, Jacob Rivers, and Edward Barber.
Also commemorated here are Clive and Arnold Baxter, brothers who were killed on the same day, 25 January 1915, in the Brickstacks area of Cuinchy.
Designed by J. R. Truelove, the memorial is a loggia surrounding an open rectangular court.
The memorial was unveiled on 22 March 1930 by Lord Tyrrell, a diplomat who was present in his role as British Ambassador to France.