<Li> George Costigan as Nevison Gallagher </Li> <P> On 22 November 2012, Ben Stephenson announced the commissioning of Happy Valley for BBC One . The programme was written by Sally Wainwright, produced by Karen Lewis, and directed by Euros Lyn, Sally Wainwright, and Tim Fywell . </P> <P> Filming began in the Calder Valley in November 2013 . Locations in the area included Todmorden, Luddenden, Mytholmroyd, Bradford, Keighley, Sowerby Bridge, Hebden Bridge, and Heptonstall . Huddersfield, Halifax, Bradford, Leeds, and other West Yorkshire cities are mentioned, though not main filming locations . A former West Yorkshire police station was used for some scenes, and additional filming took place at North Light Film Studios at Brookes Mill, Huddersfield . </P> <P> The name "Happy Valley" is what local police in the Calder Valley call the area because of its drug problem . </P>

Where is the bbc show happy valley filmed