Hi and welcome. There are plenty but it depends what kind of places you like. The easiest thing to do is to put London into the search box and have a look through.
28 Days Later Survival Guide for Newbies. Congratulations! You have stumbled across the wonderful hobby of Urban Exploring and have found yourself standing at the gates of the biggest UK Exploring Forum wondering how to procede. This is quite long but if you are serious about this and want to...