Start spoiler-light
Meet the premise, learn the jargon and find the correct viewing order.
Open field guide →Independent fan intelligence · London desk
The Slough House Files
A spoiler-aware companion to Slow Horses: every released episode, the people behind the desk, book-to-screen files and the real London geography.
Choose your route
Start at the dumping ground
New viewer, book reader or London visitor: enter through the file that fits you.
Episode archive
Thirty individual files across five released series, plus the Series 6 schedule.
Browse episodes →Walk the locations
Evidence-labelled places, practical routes, transport and visitor etiquette.
Choose a field trip →Current intelligence
The next operations
Dated, source-led updates—without turning set photographs into plot claims.
Series 6 begins
Six weekly episodes adapt Joe Country and Slough House, concluding 21 October.
Open Series 6 hub →Series 7
Apple ordered six episodes based on Bad Actors. No premiere date has been announced.
Read the evidence file →What changed recently
New viewing advice, filming reports and deeper series/location hubs.
Open news and changelog →Superfan files · Batch 1
Track the people behind the operations
Twenty backlog items are now live, with spoiler-controlled timelines and relationship analysis.
From exile to leverage
Follow the turning points for Lamb, River, Taverner, Standish and seven more major characters.
Open character timelines →20 of 100 complete
See every planned feature, its status and the evidence standard used before it is marked done.
Open the superfan backlog →Quick-answer files
Start with the question you searched
Direct, sourced answers to the subjects readers are looking for most.
How to watch Slow Horses
Apple TV price, browser viewing, supported devices and whether you need an Apple TV box.
Open the viewing guide →Where is Slough House?
The fictional address, 126 Aldersgate Street exterior and the separate rear entrance.
Open the location explainer →What do the spy terms mean?
First Desk, tiger teams, flash boxes, cold bodies and other language used in the series.
Open the glossary →Which Mick Herron book comes next?
Slough House, Oxford novels, standalones and screen adaptations in a clear reading route.
Open the book order →New analyst’s annex
Fifty ways to look again
A spoiler-light notebook for first watches, rewatches and location walks.
Read the operation beneath the plot
Follow performance, institutional language, tradecraft, London geography, adaptation, sound, production design and relationships—one small observation at a time.
Open the analyst’s notebook →Explore the archive
Follow the connections
Episodes, people and places now link back to one another.
Series hubs
Episode order, adaptation, creative leads, recurring cast and locations.
Character files
Actors, roles, relationships and linked episode appearances.
Meet the desk →Location files
Screen use, evidence, access, transport and connected episodes.
Open the place index →Mick Herron and the books
Publication order, chronology and spoiler-conscious adaptation mapping.
Enter the library →Original fan art
Six copyright-safe visual responses—one atmosphere for each operation.
Visit the gallery →The next 100 files
A long, prioritised list of useful additions across episodes, people, places, craft and reader tools.
Inspect the backlog →Why trust this file?
Evidence before certainty
Locations and production news are labelled Confirmed, Reported or Composite. Plot summaries and criticism are original editorial writing; scripts and long copyrighted excerpts are not reproduced.