The Oscar-winning actress will be awarded the honour at the London Film Festival’s annual awards ceremony on 17th October.
The film, which tells the unlikely love story between a department store clerk and an older married woman, is hotly tipped to be one of the main competitors this awards season.
The 2015 film stars the likes of Cate Blanchett and Helena Bonham Carter.
The new film is the last in The Hobbit trilogy and will be released December this year.
The new adaptation is due for release next year.