Scrapped 1974? by Staff Dovey, after accident with bulldozer when widening A1 at Edgware. However, not every last piece was lost — in January 2018 Jon Hutchings wrote:
Just though you might like to know that the MoS [Ministry of Supply] plate for SXF 579 is in my possession (bought from Staff Dovey) so a little bit of it survives :)
[To add (or alter) information on this page, please contact me on sxf@teeafit.co.uk.]