This place isnt posh (go to Hammersmith grove or Paul for that) but forest sells some of the nicest white, brown, whole, rye bread I have ever had and for decent prices. Go there before 1pm though, Selection of their specialised loafs are sparse after that.
Name: Dan
Location: Shepherds bush
Forrest The Baker sell a variety freshly baked bread, cakes and pastries as well as chilled drinks and crisps.