used as the St. Trinian's all girl school Jonathan Creek - provided the location of Metropolis (2008 Christmas Special) The King's Speech (2010) - Balmoral Party and other scenes Agatha Christie's Marple (2010) - significant interior and exterior scenes, including in Season 1, Episode 3, "4.50 from Paddington," with Knebworth House and estate standing in for the fictional Rutherford Hall The Hour (2011) - Lord Elms residence The Scapegoat (2012) - significant interior and exterior scenes Midsomer Murders Series 15 Episode 1 ("The Dark Rider") - significant exterior scenes Woman Like Me (2018 music video) - Little Mix Eurovision Song Contest: The Story of Fire Saga (2020) - exterior shots of Alexander Lemtov's British house Meerkat Music Presents: Little Mix Uncancelled (2020 Virtual Concert) The Nevers (Season 1 Episodes 3 and 4) (2021-) - exterior scenes Knebworth 1996 - Oasis: Knebworth 1996 (2021) - Concert Documentary surrounding Oasis' record-breaking 1996 concerts at Knebworth Park. Also released as a live album You (season 4) - American psychological thriller television series The Flash (2023) - Exterior of Wayne Manor on Earth-89 Radio Local radio station BOB FM broadcasts from Knebworth's former pump house, which used to provide water to the main house. See also Homewood, Knebworth, the dower house Notes External links Knebworth House website Flickr Knebworth House Photo Group Cobbold Family History Knebworth House on IMDb Gardens in Hertfordshire Gothic Revival architecture in Hertfordshire Country houses in Hertfordshire Herb gardens Historic house museums in Hertfordshire Grade II* listed buildings in Hertfordshire Lytton family Grade II* listed houses Wrestling venues Grade II* listed parks and gardens in Hertfordshire Works of Edwin Lutyens in England House