Hello Mr Chips,
I have had a look on the TFL site and there is no video evidence - only the pictures that they have included in the PCN letter. I did not save the text of my original representations so I cannot remember exactly what I said, but I did say along the lines of "entering onto Streatham High Road from Stanthorpe Road, you cannot see the traffic lights around the corner so it is not possible to see what is going on ahead until the corner is turned. The traffic flows coming from the right hand side of the road and passing Stanthorpe Road". One thing I should mention, which you will see on the google maps is that there is a building on the corner of Stanthorpe Road on the left which obscures vision to anything going on around the corner.