Some UK comedy hits that occur to me to be one hit wonders

Jasper Carrot - Funky Moped
Goodies - Funky Gibbon
Mike Harding - Rochdale Cowboy

Jimi Hendrix - Voodoo Chile (did he have anymore over here ?)
Fiddlers Dram - Day trip to Bangor

I may be wrong on all of these. I am trusting to memory

Cheers Gary