The most recent series has attracted audiences of up to 9 million and has been one of the channel’s most successful dramas since it debuted in 2006.
Confirming production of the new episodes, Sally Haynes, ITV’s Controller of Drama commissioning said: “Lewis is one of our best loved dramas on ITV and viewers have seen the partnership between Lewis and Hathaway grow over the series. I’m thrilled that the duo is returning with some more great plots.”
