This is a nice place to hangout...they have healthy food, juices and desserts! The pistachio ice cream is dairy free and really good! 

Maybe an obvious choice, but the Barbican is always good. My favourite space in there is the curve gallery, last time I went was for Cory Arcangel's 'Beat the Champ'. I love the architecture, although not many people do. I think it was voted 'London's ugliest building' in 2003.

Long standing late night cafe  

The power station is a ghost like ruin that stands on the banks of the Thames. Its right next to the train tracks rolling out of London to the rest of the south of England. I pass it every time I go back to where I grew up and every time I arrive back in London. It has become symbolic with arriving and departing, a constant in my life. I used to joke and refer to it as my lover - seeing me off and welcoming me home.

Some places are better to be left a secret. This one e.g.