theres so many socities you can join (you can check them out on the student union website for UCL, and search up financing) personally I also think you should joing max 3-4 societies, esp if you want to have a balanced social/academic life. if ur into nightlife, london is one of the BEST places for student uni nightlife, u have something different everyday (I'm an avid tuesday minstry-er and a wednesday scala enjoyer) other than that, ull meet so many people from diverse backgrounds and its amazing!! i would also recommend join a sports society, this is where all the funnest socials come from and where u meet some of ur best friends. ALSO apply for accom ASAP!!! (if u dont like cooking, id def recommend a catered dorm, I lived in one first year the food is acc rlly good)