Left wing newspapers in the UK:
The Mirror (TT)
The Sunday Mirror (TT)
The Guardian.

Centrist newspapers in the UK:
The Independent
News of the World (TT)
Daily Star (TT)

A little right of Center
The Observer
The Express (T)
Sunday Express (T)
The Mail (T)
The Mail on Sunday (T)
Financial Times (WSJ)
The Times

Rather more to the Right
The Sun (TT)
The Daily Telegraph
The Sunday Telegraph

Legend:
T = Tabloid
TT = Sensationalist Tabloid prone to great exaggeration.
WSJ = Equivalent to Wall Street Journal in content.