The 3rd London Trophy was a motor race, run to Formula One rules, held on 30 July 1955 at Crystal Palace Circuit, London.

Schell was second in the final and Roy Salvadori in a Maserati 250F was third.

The actual London Trophy was a Formula Libre race also held at Crystal Palace on 30 May 1955 and was won by Peter Collins in a Maserati 250F.

[2] 1Numbers 4, 14 and 22 DNA Grid positions for the final were determined by the drivers' finishing times in the heats.

Only the top six drivers from each heat qualified for the final.