The Open Guide to London: the free London guide

This is an exceptionally useful grocers. It has a fairly wide variety of food, although Waitrose across the road has more variety generally for the same prices. You can also get pizzas microwaved as a useful snack.

Where Harts comes into its own is that it is open 24 hours a day, 7 days a week - unlike most Kensington shops. Very useful for getting a snack after getting off a night bus, or in an emergency.