Super cheap room available in London

Super cheap room available in a 4 bed house in London. Rent is £535. It's a single room in a shared house you would be living with 3 other lovely working professionals aging from mid to late 20s. Room is located in Finchley central 5 mins walk from the tube and Finchley central high street. We have 2 lovely parks, a large Tesco and lots of cute cafes and charity shops for thrifting. Looking for a kind new housemate who is sociable but also respects boundaries. Working professional ideal or only students who are ok to pay council tax. Not a party house. We like to keep a chill and calm vibe in the house.