5 a side London - London Bridge WednesdaysLooking for 5 a side in Brighton? You can play on Wednesday nights in London Bridge. 6 teams take part, with the games running for 42 minutes. FirmBalls is the UK's premiere small sided football league. 5 a side football is a great way for local companies to let of steam and a brilliant team building exercise. What are you waiting for? Join the FirmBalls' Wednesday night 5 a side London Bridge. There is also a 5 a side in London in Shoreditch every Monday.