“Down Cemetery Road” in Development: New Screen Adaptation From the Creator of Slow Horses Reportedly Moving Forward

The world of author Mick Herron — best known for his acclaimed Slough House novels that inspired Apple TV+’s award-winning hit Slow Horses — may be expanding again. Industry chatter and agency notes circulating in recent months indicate that Herron’s 2003 thriller Down Cemetery Road is being positioned for screen adaptation, with early development work under way.
Early Signs of Movement — But No Official Banner Named Yet
Documents seen by several entertainment trade reporters suggest that producers have secured underlying rights and commissioned initial script material. No distributor, network, or streaming home has yet been publicly attached, and neither Herron nor his publisher has issued a statement confirming or denying the project.
If realized, the series would mark the first screen entry in Herron’s Oxford Investigations universe — a tonal cousin to Slow Horses, with less espionage bureaucracy and more civilian-scale corruption, cover-ups, and personal risk.
Why This Title Matters to Herron Fans

First in a separate Herron cycle, Down Cemetery Road begins not with spies or embassies but with a vanished baby on an ordinary street and a local woman who — by refusing to let the gap in the story go unexplained — is dragged into a nest of secrecy, leverage and institutional self-protection. The novel’s structure and Herron’s trademark dry bite make it an obvious candidate for serialized thriller television.
Momentum Created by “Slow Horses”
The explosive global reception of Slow Horses — praised for its sharp writing and Gary Oldman’s headline performance — has raised expectations that other Herron properties could follow. Industry analysts note that prestige thrillers from proven IP are now among the most sought-after development bets in the premium-drama market.
What We Still Don’t Know
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Cast: No casting attachments have been confirmed.
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Platform: No network/streamer has been publicly linked.
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Schedule: No production window or release timetable exists.
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Creative control: It remains unclear whether Herron himself would assume a writing or producer role.
A Project to Watch

Whether Down Cemetery Road lands at a streamer with the scale to match Slow Horses or takes a different tonal path under a new production team, the mere movement on Herron’s backlist signals that his universe may not stay confined to Slough House for long.
If the adaptation proceeds to a formal greenlight, it will bring viewers not just back into Mick Herron’s world — but into the darker, quieter corners of it.