Find A Supermarket will allow you to search for, show on a map, and get directions to over 6000 Supermarkets in the UK - Aldi, Asda, Booths, Budgens, Lidl, M&S, Morrisons, Sainsburys, Tesco, Waitrose, Whole Foods.
The data is provided by Geolytix and will be updated on at least a bi-monthly basis.