London Irish RFC is a professional rugby union club that most recently competed in the Premiership, the top division of rugby union in England. The club also participated in the European Champions Cup, and the European Challenge Cup. While competing in the RFU Championship, the second tier of English rugby, during the 2016â17 and 2018â19 seasons, London Irish also took part in the British and Irish Cup and the RFU Championship Cup. For twenty years, the club played its home games at the Madejski Stadium in Reading, Berkshire, before relocating to the Brentford Community Stadium in Brentford, West London, for the 2020â21 season.