Chelsea, who had an unstable performance in the league, were guests at Wolverhampton in the 18th game week.
The goals that gave the home team the victory were Mario Lemina in the 51st minute and 90+3. While Matt Doherty scored in the minute, the capital representative's only goal was 90+6. Christopher Nkunku scored in the minute.
Nkunku scored in his first Premier League game for Chelsea.
Chelsea, led by Mauricio Pochettino, suffered its fourth consecutive away defeat and its eighth defeat overall.