The "extra quality" of Season 1 is primarily credited to the BAFTA award-winning work of cinematographer .
The show's attention to historical detail is impressive, from the use of period-specific music and slang to the depiction of the economic and social conditions of the time. The show's creator, Steven Knight, has stated that he drew inspiration from his own family's history and the real-life exploits of gangs in Birmingham during the 1920s.