Sarah Lancashire will return to 'Happy Valley'.

Sarah Lancashire

Sarah Lancashire

The 51-year-old actress recently said she didn't want to reprise her role as Catherine Cawood in the crime drama when it bounds back onto screens for a third series as she felt the story was dead and done, but it seems she's had a change of heart as she's agreed to do one more installment.

Speaking to The Sun newspaper, she said: "I thought we'd already had the end but Sally [Wainwright, writer] feels there is a very final ending needed for the show and for Catherine. There is going to be a very big full-stop to the piece."

Sarah's dramatic U-turn comes just after she was crowned Best Actress - for her role in the drama - at the TV Choice Awards in London on Monday (05.09.16) night.

And, although she's keen to reprise her role as the tough-talking police sergeant, she doesn't yet know when the next series will hit screens as nothing has been set in stone.

She explained: "It's just an idea at the moment. Sally has told us she wants to write another series, which will be the final one. We don't know when it will happen."

Meanwhile, although Sally is yet to sit down and take pen to paper, it's believed the next series will see Sergeant Catherine - who is still grieving over her dead daughter - contemplate leaving the corrupt police force as she continues to protect her fragile grandson Ryan (Rhys Conna) from his rapist father Tommy Lee Royce (James Norton) - who is serving time in prison for allegedly raping the officer's daughter - and his conniving girlfriend.