REVIEW · LONDON
London: Slow Horses TV Series Guided Tour
London’s Slow Horses tour takes you into the unglamorous corners of London that fit the series so well. You’ll visit the exterior of Slough House, follow streets linked with the books and television adaptation, and see how ordinary places become tense settings for MI5 intrigue. I like the mix of spy fiction and real London, and I like that the walk shows an area often skipped by sightseeing routes.
The main drawback is simple: this is a walking tour through less polished parts of the city, not a visit inside a film set. Slough House is seen from outside, and the real locations can look brighter and livelier than they do on screen. Guide Susannah adds plenty of background on the books, the show, and London itself, but you’ll get the most from the tour if you know at least some of the series.
Key points at a glance

- See the exterior of Slough House, the fictional headquarters where disgraced MI5 agents are sent.
- Walk through the northwestern corner of the City of London, an atmospheric setting for covert activity in the series.
- Connect screen locations with their real surroundings, including the contrast between the drab fictional mood and the livelier streets today.
- Hear book and adaptation details from Susannah, including insights linked to conversations with author Mick Herron.
- Allow two hours for a relaxed city walk, with time for photographs and questions.
- Wear comfortable shoes and clothing, since the experience is entirely on foot and is not suitable for wheelchair users.
Why this Slow Horses walk works

The best thing about Slow Horses is its sense of place. The series is not built around glamorous spies in sleek offices. It is about sidelined MI5 officers, shabby workspaces, poor choices, and danger turning up in ordinary streets.
This tour follows that mood. You move through parts of London that can feel overlooked beside the city’s grand landmarks. That contrast matters. The story presents these places as bleak, secretive, and slightly worn down, while the real streets may feel more active and pleasant. Seeing both versions gives you a better sense of how television reshapes a city.
I like this kind of tour because it asks you to look twice. A plain building, narrow street, or unremarkable corner can carry a great deal of story once you know what happened there. You are not simply ticking off locations. You are comparing the fictional world with the working city around it.
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Meeting Susannah outside Old Street Station

The tour begins outside Old Street Station, in front of Greggs Bakers at 91 City Road. That is a useful meeting point because it is easy to identify, but do not wait inside the station or wander along the road looking for a group. The guide waits outside the bakery.
Susannah is the guide named most often in the tour details and customer comments. She leads in English and brings two kinds of knowledge to the walk: a strong grasp of the Slow Horses books and television series, plus information about the surrounding parts of London.
That combination is important. A purely fan-focused tour could become a string of plot references. A standard London walk might ignore the fiction altogether. Here, the two subjects are linked. You learn why a location matters to the story, then get a clearer view of the real streets around it.
The tour is also suitable for mixed groups. You may be a devoted fan who has read all the novels, someone who has watched only the television series, or simply a person curious about a less familiar part of London. If you are a serious fan, you’ll have plenty to discuss. If you are new to the series, the tour still offers a city walk with a spy-story theme, though some references will naturally mean more if you know the characters.
Slough House and the fall from grace

Slough House is the central stop. In the television adaptation, its exterior becomes the physical symbol of professional disgrace. This is where MI5 agents who have failed, frustrated their superiors, or otherwise fallen out of favor are sent.
Do not expect to enter the building. The experience includes the exterior only. That limitation is worth knowing before you book, especially if you are expecting a studio tour or access to an interior set.
Still, the outside matters. The building is meant to look drab and weathered, and its plain appearance helps define the series. It is not a glamorous headquarters with polished glass and impressive views. Its ordinariness is the point. A place that could be passed without a second thought becomes a marker of stalled careers and damaged reputations.
At this stop, I would pay attention to the difference between the location itself and its screen identity. The real area may feel more lively than the fictional setting. That contrast is one of the tour’s more interesting ideas: London does not need to be gloomy to work as a gloomy setting on television.
Bring a camera if you like taking location photographs. The tour leaves time for pictures at the more recognizable places, according to the available tour information. You will probably get more from this stop if you take a moment to compare the building with the way it appears in the show, rather than rushing to capture a quick image.
The northwestern City streets

Much of the walk takes place in the northwestern corner of the City of London. This is not the London of postcard views and grand ceremonial avenues. The streets and alleys here provide a more subdued setting, which suits a story about surveillance, secrets, and people trying not to be noticed.
That does not mean the area lacks interest. The pleasure comes from seeing the city at street level. You pass through places that support the series atmosphere without being designed as attractions. The route lets you consider how writers and location scouts use overlooked spaces to create tension.
The tour also places the fictional events in a real urban setting. A scene that feels isolated on screen may sit close to busy roads, shops, offices, or ordinary city life. That knowledge gives you a better understanding of the production process and of London itself.
I appreciate that the guide does not present every location as a perfect match for the books or show. The real streets can be less gloomy and more energetic than the fictional versions. That is useful context, not a disappointment. It helps you see the work involved in turning a familiar city into a world of covert operations.
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Book details, television details, and London stories

The tour is based on the television series, but it also connects with Mick Herron’s novels. That makes it more useful for readers who want to understand how the adaptation handles place.
Susannah has shared details connected with questions she asked Mick Herron at book signings. Those small links between author, books, and screen adaptation can add something for fans who already know the main story. They also give the tour a personal touch without turning it into a formal lecture.
You can expect a mix of:
- Locations used or associated with the television series
- Real-life inspirations for places in the books
- Explanations of how locations fit into their surroundings
- Facts about the surrounding part of London
- References to characters, scenes, and the darker humor of the series
- Time for questions and photographs
The balance matters. One of the risks with any television location walk is that it can become a plot recap. Here, the London material gives the tour a wider purpose. You learn about an area you might not otherwise visit, while the Slow Horses references give the walk its shape.
The tour’s humor also fits the subject. The series is tense, but it is not without wit, and Susannah is known for using one-liners and lighter observations along the way. That should help keep two hours on foot from feeling heavy.
A relaxed two-hour pace

The tour lasts two hours. That is long enough to cover several key locations without turning the outing into an all-day commitment.
The available feedback describes the pace as relaxed while still covering a good amount of ground. That is the right balance for this type of experience. You need enough walking time to connect the locations, but you also need pauses for explanation, questions, and photos.
You should still prepare for steady walking. Comfortable shoes are specifically recommended, and comfortable clothing is sensible. London weather can change quickly, so a rain jacket or dependable umbrella is a practical choice. One person on a wet walk was grateful to borrow the guide’s umbrella after finding their own unsuitable, but you should not count on that being available for everyone.
The tour is not suitable for wheelchair users. The route includes streets and alleys, and the information provided does not promise step-free access or a modified route. If you have mobility concerns, check directly before booking rather than assuming the walk can be adapted.
Smoking is not allowed during the activity.
Is $28 a fair price?

At $28 per person, this is a reasonable price for a two-hour guided walk in London, especially if you already follow the series or books. You are paying for a specialist guide rather than for entry to a major attraction. There is no interior museum, studio access, or included transport.
The value comes from the interpretation. A self-guided search for filming locations might show you a building and little else. Susannah adds the links between the building, the characters, the novels, the television adaptation, and the real city around you.
I would consider the price strongest for fans who want context rather than photographs alone. If you have watched several seasons or read Herron’s books, the connections can make familiar scenes feel more substantial. If you know nothing about Slow Horses, the value depends more on your interest in unusual London walks and spy fiction.
The reserve-now-and-pay-later option also gives you some flexibility, and you can cancel up to 24 hours before the start for a full refund. Check the available start times when booking, since the tour lasts two hours but the exact departure time can vary.
Who should book this experience?

I would recommend the tour most strongly to:
- People who have watched the Slow Horses series
- Readers of Mick Herron’s books
- Fans interested in filming locations and adaptation choices
- London residents who want a fresh view of a familiar city
- Visitors who prefer local streets to major attractions
- Anyone who enjoys walking tours with a story running through them
You do not need to be a complete expert. The tour works for mixed groups, and the guide explains how the locations connect to the story. Still, the more of the series you know, the more references and photo opportunities you will recognize.
This is less suitable if you want a glamorous spy experience, a museum-style presentation, or a tour with indoor stops. It is also a poor match if you dislike walking or need wheelchair access.
Practical advice before you go
Meet outside Greggs Bakers at 91 City Road, directly in front of the bakery. Give yourself enough time to find the correct station exit and meeting spot, since Old Street is a busy area and the guide will be waiting outside rather than inside the station.
Wear shoes you can walk in for two hours. Comfortable clothes are recommended, and weather protection is wise. London’s streets can feel very different in rain, wind, or bright sun, and the tour continues through the outdoor locations.
Keep your expectations clear. You will see the exterior of Slough House and other key places, but you will not enter Slough House. The tour focuses on real streets and buildings, not a recreated set.
I would also watch at least some of the television series before going. You can enjoy the London side without doing so, but the fictional references and location comparisons will have more weight if the characters and story are familiar.
My verdict on the Slow Horses tour
Book this tour if you want to connect a sharp British spy story with the real streets of London. The strongest features are the visit to the exterior of Slough House, the less familiar City route, and Susannah’s ability to link the books, television series, and local setting.
Skip it if you expect interior access, a polished sightseeing route, or a major attraction at every stop. This is a modest, specialist walking experience. Its rewards come from atmosphere, detail, and the pleasure of seeing an ordinary London street through the eyes of the Slow Horses characters.
At $28, it offers solid value for fans and a distinctive two-hour outing for anyone curious about London beyond the standard circuit.
FAQ
Where does the Slow Horses tour meet?
The meeting point is outside Old Street Station, in front of Greggs Bakers at 91 City Road. Your guide will wait outside the bakery.
How long does the tour last?
The walking tour lasts two hours.
What language is the tour conducted in?
The tour is conducted in English with a live guide.
Who guides the tour?
The guide is named Susannah in the tour information and customer feedback.
Can I enter Slough House?
No. The experience includes a visit to the exterior of Slough House only.
Does the tour visit locations from the books as well as the television series?
Yes. The tour covers real-life inspirations for key locations from Mick Herron’s books and the television adaptation.
What should I wear?
Wear comfortable shoes and comfortable clothing. The experience is an outdoor walking tour.
Is the tour suitable for wheelchair users?
No. The tour is listed as not suitable for wheelchair users.
Is smoking allowed?
No. Smoking is not allowed during the activity.
Can I cancel for a refund?
Yes. You can cancel up to 24 hours in advance for a full refund.
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