 He departed Charlton Athletic in June 2018, having made 86 appearances during two-and-a-half seasons as a professional at The Valley.On 12 June 2018, Konsa moved across London to join Championship club Brentford on a three-year contract, with a one-year option, for an undisclosed fee, reported to be £2.5 million.He was a first-choice in central defence throughout the 2018–19 season and he scored the first senior goal of his career in a 3–0 victory over Preston North End on the final day.