On 16 November 2007, Scales appeared in "Children in Need", reprising her role as Sybil Fawlty, the new manager who wants to take over Hotel Babylon. She appeared in the audio play "The Youth of Old Age", produced in 2008 by the Wireless Theatre Company, and available to download free of charge on their website. She appeared in a production of "Carrie's War", the Nina Bawden novel, at the Apollo Theatre in 2009. In 2008, she appeared in Agatha Christie's, "A Pocket Full of Rye", as Mrs. Mackenzie. John Cleese said in an interview on 8 May 2009 that the role of Sybil Fawlty was originally offered to Bridget Turner, who turned down the part, claiming "it wasn't right for her". Scales starred in the 2011 British live-action 3D family comedy film "" as the titular character's Great Aunt Greta. Scales appeared in a short audio story, "Dandruff Hits the Turtleneck", written by John Mayfield, and available for download. Scales starred in a Virgin Short "Stranger Danger" alongside Roderick Cowie in 2012. In 2013 she made a guest appearance in the popular BBC radio comedy "Cabin Pressure" as Wendy Crieff, the mother of Captain Martin Crieff. Alongside husband Timothy West, Scales appeared in "Great Canal Journeys" for Channel 4 from 2014 to 2019. Stuart Heritage, writing for "The Guardian" in November 2016, commented that it "is ultimately a work about a devoted couple facing something huge together. It’s a beautiful, meditative programme". "An emotional but unrooted glimpse of life with dementia" was Christopher Howse's characterization in October 2018, writing for "The Telegraph". Reviewing the last episode for "The Guardian", Jack Seale wrote in October 2019 "Since the first instalment in 2014, the series has charted the long, slow goodbye that is living with dementia, cherishing every moment of precious normality and celebrating how an immersion in nature is the surest way to bring the old Pru back." Scales is married to the actor Timothy West, with whom she has two sons; the elder is actor and director Samuel West. Their younger son Joseph participated in two episodes of "Great Canal Journeys" filmed in France. Scales also has a step-daughter, Juliet, by West's first marriage. In 1992 Scales appeared on BBC Radio 4's Desert Island Discs.