Sainsburys is my favourite supermarket. There, I've said it. It combines quality produce with fair prices, and a good selection of food and household goods.
And this one is so conveniently located just next to Balham Tube that it's hard not to shop there. Also, they have a pizza oven to cook you their fresh pizzas. I'm not sure how many supermarkets do this, but it's brilliant. More should. read more