I went Westfields today, it is definatety a place to shop, it has a place of all types of shoppers. There are designer shops/ dept stores, children shops, around 8 types of shoe shops, gadget shops, 10 types of beauty shops, the list goes on and on...
There is a line of CAFES, for a snack and coffee break, there are no unhealthy fast food outlets, the emphasis is on good wholesome eating, there is also a food court with foods from Mexico to Lebanese, again many more...
For parents there are 3 children rooms, where you can takeyour little ones and feed and change them, they also have some toys in there to keep them busy.
Parking was very pactical, the rate is �2 per hour which is reasonable for a couple of hours, but adds up if you are there all day!
Location is Woodlane, where the BBC is situated in W12, nearest station is central line Shepherds Bush.
Sorry I don't know how to put a map up on here...
Hope this will be helpfull for you!