If you want to know if your shop is open these days, you can contact it.
These opening times don't take account of public holidays and of Sundays. You can also check if Waterstones London is open on Sunday by calling it.
Usually Waterstones London is closed on Sundays. Careful, the-shops.co.uk is a participative site, where anyone can indicate opening times. If you see any mistake, please contact us.