High Quality Content by WIKIPEDIA articles! The Aldenham Works, or Aldenham Bus Overhaul Works, was the main London Transport Bus overhaul works. It was located on the edge of the Hertfordshire village of Elstree and not Aldenham despite being officially called Aldenham Works. In its heyday, 50 buses a week were overhauled there, and it was the most comprehensive bus overhaul operation in the world. It was opened in 1956 and finally closed in November 1986. The buildings were demolished in 1996.