Carlton is the franchise for London during the weekday and launched on 1st January 1993, after the demise of Thames Television. 

1996-1999 idents
Here's the previous presentation, used back in 1996. Does anyone know when they were introduced?
 

Ident Transmitter 385kb	Ident Splat 333kb	Ident Coronation Street 221kb
Ident Sunset 130kb	Ident Soaps 254kb	Ident Spotlight 332kb
Carlton 1996 Ident A 333kb	Carlton 1996 Ident B 305kb	Carlton 1996 Ident C 248kb