How London’s grimiest locations became the stars of ‘Slow Horses’

Key Points:

• The Apple TV series "Slow Horses," based on Mick Herron's spy novels, has boosted tourism in London by showcasing gritty, less glamorous city locations, including the exact exterior of the fictional Slough House on Aldersgate Street.
• The show contrasts typical polished London portrayals by highlighting the city's grittier, layered side, which has attracted international fans to guided tours led by Susannah Cohen, who emphasizes the show's authentic London atmosphere and cultural references.
• Filming locations are carefully chosen for geographical accuracy, with some creative enhancements to increase grit or cinematic appeal, such as transforming local businesses and adding rubbish piles, while also incorporating iconic London landmarks like the Barbican and Regent’s Canal.
• Director Adam Randall highlights the creative process of adapting locations to fit the script, sometimes rewriting scenes based on available spaces, and balancing the depiction of London's ordinary office culture with high-stakes spy drama, offering a more realistic portrayal of the city.
• The series' popularity has fostered a global fan community that appreciates its blend of comedy, thriller, and British drama, as well as its authentic depiction of London life beyond the usual glamorous images seen in other media.