Not sure if this is Tonbridge or Hastings. The only unit that can be identified is 6L 1034 closest to the camera.
If you can confirm the location please let me know.
Thanks to Mike Pannell for the following information:-
Its Hastings, i think in the foreground are 1011's two trailers removed when it was reformed into a 4 car after May 11th 1986
In the centre row are 60008/9 from 1005, 60005 1003, 60043 1036, all of unit 1034 and 60521/60707 from 1011.

Slide is dated 11/5/86.
Photographer unknown.