Returning from Brighton towards Southampton, we made a stopover at Portsmouth more particularly to Gunwharf Quays. The drive is just over 1½ hours and Gunwharf Quays is another discount outlet like McArthur Glen in Swindon. My wife bought Fossil watches for each of our children.
For Muslim travelers, there is a halal restaurant, Roosters Piri Piri opposite the entrance of Spinnaker Tower. They serve nice Syrian dishes.