Mystery Flyer wrote:

The SWT trains I travel on are cramped old and tired. There are no
trolley or food services, and indeed there are no toilets. There isnt
really room for food eating in the rush hour. I just dont want to be
next to Mr Yoghurt again.

I can't think of any trains operated by SWT which match this
description, except the handful of unrefurbished 455s which are left. I
travel on the same line as you and around 80% of the trains have now
been refreshed with new seats at 2+2 pitch. OK, they may be old but air
conditioning aside, they are just like the 450s, and certainly not
cramped or tired.

Cheers

Steve M