Historical version 2 of Category 24 Hour Shops (view current version)
London is a 24-Hour city. Well, a bit. This category collects the shops which live up to that dream.
Worth noting is that a lot of petrol stations are 24-hour, and if these have a little shop (often a tiny Sainsbury's or Tesco) attatched, this will often be open 24-hour as well; even if you can't go in, the cashiers can fetch stuff (or tell a security guard to get it) for you.