Labour, the Conservatives, the Lib Dems and Restore Britain rule out standing in the by-election, in an effective boycott.
His aim throughout the forthcoming campaign is to clearly frame this by-election as "the people versus the establishment".
Judge Mr Justice Nicklin says the claimants had failed to prove the allegations.
Homeowners face paying £45 a month more on average when they move onto a new deal over the next two years.
A secret inquiry by the security service's watchdog concluded there were 'serious failings in MI5's management of Agent X’.