Adam
If I may add to your posting, the vehicles are from the top.
A Leyland Roadrunner 14 seat personnel carrier and the rear of a Ford Escort Combi (estate without windows)
A Dodge Commando 14 seat P C.
Leyland Roadrunner again.
Back end of Leyland or Dodge.
Dodge again.
The odd bodied Bedford TK is a S&T personnel and tool van as modelled by Oxford Diecast.
The same TK along with a Dodge P C.
A Dodge P C.
And the Marina Van, a very rare machine as in those days most vans were the cheaper Bedford HA. Later BR bought lots of the later Morris Ital vans.
Merfyn.