Reviewed · WALKING TOURS
Highlights of Old London Town: Walking Tour of the Square Mile
London’s financial district has a surprising second life beneath the office towers. On this 90-minute walk, you follow the City of London from Roman Londinium and Saxon remains to ruined churches, dragon-topped Leadenhall Market, famous film locations, and the steps of St. Paul’s Cathedral.
I like the small group limit of 15, which gives the guide room to tell stories rather than bark facts at a crowd. I also like the mix of major sights and easily missed corners, especially the ruined church gardens and Leadenhall Market.
The main drawback is simple: this is an outdoor walking tour, and the schedule leaves little time to linger. You pass St. Paul’s Cathedral but do not go inside, and winter weather can make the open-air parts chilly.
Key points at a glance

- Roman beginnings: Start near Tower Hill with London’s Roman wall and the eastern edge of Londinium.
- The City’s oldest church: Learn about the early church connected with London’s first centuries.
- Secret gardens and ruined churches: See quiet spaces tucked between modern offices and busy streets.
- Leadenhall Market: Explore the covered Victorian arcade, once a poultry market dating back to the 14th century.
- Stories beyond the monuments: Hear about Dickens, London scandals, dragons, and film locations linked with Harry Potter and 101 Dalmatians.
- Compact finish: End outside St. Paul’s Cathedral, near shops, restaurants, and public transport.
Why the Square Mile feels like several Londons at once

The City of London is tiny, but it packs in layers that are easy to miss if you only walk from the Tower of London to St. Paul’s. Modern glass towers rise above streets shaped by Roman roads, medieval churches, Victorian commerce, and postwar rebuilding.
That contrast is the real reason to book this walk. You are not simply ticking off famous buildings. You are learning how old fragments survive inside a financial district that most people associate with offices and weekday commuters.
The route moves from Tower Hill toward St. Paul’s Cathedral. It takes about an hour and a half, including the stops, with the rest of the time spent walking between them. Morning and afternoon departures give you useful flexibility, especially if you want to pair the tour with the Tower of London, Borough Market, the Museum of London area, or St. Paul’s afterward.
I would think of this as an introduction to the City rather than a full historical survey. The guide has to cover a lot of ground in 90 minutes, so the value comes from the connections between places: Roman London beside later churches, old streets beneath new towers, and market buildings that now serve a very different purpose.
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Starting at Tower Hill and meeting Roman Londinium

The meeting point is at Tower Hill, London EC3N 4DJ. That puts you in a useful part of the City, close to the Tower of London and major public transport links. Arrive ready to walk, since the tour begins with the eastern end of the City and quickly moves through streets rather than settling in one place.
The first stop focuses on the Roman wall of Londinium. This is an important opening because London’s story did not begin with medieval kings, Tudor drama, or the Victorian age. The city’s earliest urban shape came from Roman settlement, trade, roads, and defenses.
You will also learn about London’s Roman origins and visit its oldest church. The supplied details do not name the church, so do not book this expecting a full interior visit or a long architectural study. The point is to see how early religious and civic life fit into the growing city.
I like this start because it gives the rest of the walk a clear frame. Once you have seen the Roman layer, later buildings feel less random. A glass office tower is no longer just a glass office tower. It sits in a city whose routes and boundaries reach back many centuries.
The Roman stop lasts about 30 minutes, and admission is included. Since the tour is outdoors, you should wear shoes that are comfortable for steady city walking. The route is not described as strenuous, and most people can take part, but anyone who wants frequent sitting breaks should keep the tight schedule in mind.
Finding the City’s quiet churchyards and old street corners

From the Roman remains, the walk winds through the Square Mile. This is where the tour’s character shifts. Instead of focusing only on major landmarks, the route brings you through streets, alleys, squares, and small gardens that are easy to pass without knowing their stories.
One especially appealing feature is a ruined church set within a garden, largely out of sight from the street. That kind of stop gives you a needed pause from the office towers and traffic. It also shows how the City has preserved small pockets of older London without turning every historic site into a formal museum.
The gardens and squares are valuable because they change your sense of scale. The City may be London’s financial headquarters, but it is not only steel, glass, and hurried weekday business. You might find an old wall, a church fragment, or a quiet green space only a few steps from a heavily used street.
The guide also brings in literary and social history. Charles Dickens is part of the story, as are scandals and humorous accounts of what life was like in different periods. This style suits the route. Dry dates alone would not explain why these narrow streets mattered, but stories about people, work, reputation, and daily life can make the old City easier to picture.
Guides named in the supplied material include Catherine, Suzanne, and Susannah. The exact guide depends on the date of your booking, but you can expect a guide-led walk built around stories, architecture, and the unexpected details of the Square Mile.
Leadenhall Market, from poultry stalls to movie set

The second main stop is Leadenhall Market, reached after roughly 30 minutes of walking and sightseeing. Its current form is a handsome covered arcade with Victorian character, decorative pillars, shops, and places to eat.
The market’s history reaches back to the 14th century, when it was associated with poultry trading. That earlier role helps explain why the building matters. It was not created simply as a pretty shopping passage. It grew from the practical business of feeding a large city.
Today, Leadenhall Market is one of the most photogenic parts of the route. Its covered setting also offers a useful break if the weather turns wet. The market has appeared in films, including Harry Potter and 101 Dalmatians, so a guide can help you recognize why certain views may look familiar.
Look up as you walk. The decorative details include dragons on the tops of pillars, a fitting symbol for London and the City’s coat of arms. Seasonal displays, including a Christmas tree, can add to the atmosphere in winter, though such decorations naturally depend on the time of year.
I like this stop because it joins several kinds of sightseeing in one place. You get architecture, food-market history, film connections, and a practical location where you can return later for a meal or another look. The limitation is that the tour does not include food or snacks, and the market is a pass-by stop rather than a dedicated tasting session.
If you want to shop or eat here, plan to return after the walk. The tour’s purpose is to explain the market and place it in the story of London, not to give you free time for a full meal.
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The finish outside St. Paul’s Cathedral

The walk ends with a view of St. Paul’s Cathedral. You pass by the building but do not enter, so the tour does not replace a cathedral visit. That distinction matters when you plan your day.
Still, ending here makes sense. St. Paul’s is one of the City’s defining landmarks, and the cathedral area is close to shops, restaurants, and public transport. You can continue sightseeing on your own, stop for lunch, or make St. Paul’s your next paid attraction.
The finish also gives the tour a satisfying visual arc. You begin with Roman London near Tower Hill and finish beside one of the city’s most recognizable buildings. Along the way, you have crossed through churches, gardens, markets, modern office streets, and places connected with authors and films.
Because the tour ends in a useful central location, you do not need to arrange a return transfer. Just remember that the route is one-way. If you have left luggage or planned a timed activity back near Tower Hill, allow time to walk or use public transport after the tour.
What the $27.28 price gets you

At $27.28 per person, this is a modestly priced guided introduction to a part of London that can be hard to read on your own. All fees and taxes are included, and there is no extra admission charge for the listed stops.
The value is strongest if you want context. You can walk past Leadenhall Market, a Roman wall, or a ruined churchyard for free, but you may not understand how each place fits into the City’s story. A good guide turns a short route into a connected lesson.
The price is less attractive if you want interior visits, food, or long free periods. You do not enter St. Paul’s Cathedral, snacks are not included, and the tour moves at a steady pace. For a first visit to London, I would see it as a useful orientation walk rather than a full day of sightseeing.
The small maximum group of 15 helps protect the experience. That is enough people to create a social group, but it is not the scale of a large coach excursion. You should have a better chance of hearing the guide in narrow streets and asking a question when something catches your attention.
Who will enjoy this walk most
This tour suits you if you have already seen London’s headline sights and want to understand the City behind them. It also works well early in a London stay, since the route gives you bearings and points out places you might otherwise overlook.
History fans will appreciate the Roman and Saxon material. Architecture lovers will get a mix of old churches, ruined sites, market design, modern towers, and St. Paul’s. Film fans have an extra reason to pay attention at Leadenhall Market and other locations connected with popular movies.
I would also recommend it to London residents who usually think of the City as a place to work. The gardens, squares, alleyways, and old stories offer a different view of an area that can seem purely commercial at first glance.
Families may enjoy the dragons and film references, though the tour remains a history walk rather than a children’s activity. Most people can participate, and service animals are allowed. The route is near public transport, which makes it easy to reach and easy to leave.
Practical advice for a smoother walk
Choose comfortable shoes and check the weather before leaving. The remaining time after the main stops is spent walking, and there is no promise of indoor shelter for the whole route.
Winter deserves special care. Bring a warm coat, hat, scarf, and gloves if temperatures are low. Leadenhall Market gives you some cover, but much of the experience takes place outside.
The mobile ticket is convenient, and confirmation arrives at booking. The tour is offered in English, with a choice of morning or afternoon departure. Since the group is capped at 15, booking ahead is sensible if a particular time matters to you.
Free cancellation is available when you cancel at least 24 hours before the start time. Cancellations made inside that window are not refunded, and changes made less than 24 hours before departure are not accepted.
Should you book the Highlights of Old London Town walk?
Book this tour if you want a compact, story-led walk through London’s oldest central district, especially if Roman remains, forgotten churchyards, literary connections, and Leadenhall Market appeal to you.
Skip it if your priority is entering St. Paul’s, eating your way through a market, or spending a relaxed afternoon at a few major sights. You will be walking steadily, and the tour gives you an overview rather than extended time at each stop.
For $27.28, the strongest reason to go is the guide’s storytelling. Catherine, Suzanne, and Susannah are named guides associated with the experience, and the tour is built around making old streets understandable and memorable. If you want London’s Square Mile to feel like more than an office district, this is a smart, reasonably priced choice.
FAQ
Where does the tour start?
The tour starts at Tower Hill, London EC3N 4DJ, UK.
Where does the tour end?
It ends at St. Paul’s Cathedral, St. Paul’s Churchyard, London EC4M 8AD, UK.
How long does the walking tour last?
The tour lasts approximately 1 hour and 30 minutes.
Is entry to St. Paul’s Cathedral included?
No. You pass by St. Paul’s Cathedral, but you do not go inside.
What language is the tour offered in?
The tour is offered in English.
Is the ticket mobile?
Yes. A mobile ticket is provided, and confirmation is received at the time of booking.
How large is the group?
The activity has a maximum of 15 travelers.
Are snacks included?
No. Snacks are not included in the price.
Can I cancel for a full refund?
Yes, if you cancel at least 24 hours before the experience start time. Cancellations made less than 24 hours before the start time are not refunded.
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