London’s Roman roots, told on foot. I like the Roman temple stop at the London Mithraeum Bloomberg SPACE, and I love the small-group pace that makes it easy to ask questions while you walk through the City. You’ll cover a tight stretch of Central London with photo moments built in, plus stops that mix major landmarks with lesser-seen places.

One thing to plan for: St Paul’s Cathedral and the Tower of London are included as sightseeing stops, but admission is not included. That usually means you’ll enjoy the exterior and the surrounding views on the tour, then decide separately if you want to go inside.

Key things I’d focus on before you go

• A Roman London storyline you can follow on foot, anchored by the London Mithraeum Bloomberg SPACE
• Civic and financial landmarks in one walk, from the Guildhall area to the Royal Exchange and Bank of England
• Big-name photo points timed for walkers, including St Paul’s and Tower of London photo opportunities
• Short stops with free entry, including Leadenhall Market, London Mithraeum Bloomberg SPACE, and the Garden at 120
• Group size stays practical, capped at 20 so the guide can keep the pace and answer questions
• An easy end point for continuing your day, finishing at Tower Hill where you can build from there

A 2 hour 20 minute City of London walk with a clear path

This is a guided walking tour that runs about 2 hours 20 minutes. You start near Blackfriar’s area (174 Queen Victoria St, EC4V 4EG) and end at Tower Hill (EC3N), which is a great layout if you want to hit the big sights without feeling like you’re zig-zagging all day.

The route works because the City is compact, and the tour is designed as a sequence: you move neighborhood to neighborhood, landmark to landmark, with just enough time at each stop to learn something and take a few photos. The group size is capped at 20 travelers, which keeps the experience from turning into a slow moving human train.

Also, it’s in English, and it’s a walking tour, so the main prep is simple: wear comfortable shoes and plan to stand and walk more than you would on a bus tour.

Roman Londinium, starting with the London Mithraeum

If you’re the type of traveler who likes to connect different eras, this tour’s Roman section is one of its strongest offers. The highlight is a visit to the London Mithraeum Bloomberg SPACE, a Roman temple site in the City.

What makes this stop valuable is how it changes your perspective. You’re not just seeing a random ancient-looking room. You’re learning why Roman London mattered, and how later London built on top of earlier layers. It’s the kind of stop where a guide’s explanations can turn stone and layout into a story you actually remember.

Good news: admission for the London Mithraeum Bloomberg SPACE is listed as free in the tour info, and the time at the stop is about 15 minutes. That’s enough time to get oriented, notice key details, and understand the significance without needing a full museum afternoon.

St Paul’s Cathedral stop, plus a smart plan for tickets

One early highlight is St Paul’s Cathedral. The tour includes a 15 minute stop here, and admission is not included.

So what should you expect? Think of it as a guided “get your bearings” moment. Your time is short, so the guide will likely point out the angles that make St Paul’s feel iconic in photos, plus the historical context around the City’s oldest sections. If you want a full interior visit, you’ll need to handle that separately.

Practical tip: since admission isn’t included, decide before you arrive whether you want your day to include St Paul’s interior. If yes, plan an extra stop either before or after this tour. If no, you can still enjoy the photo-worthy cathedral views and keep moving on your Roman to medieval to modern timeline.

Guildhall to Bank of England, the City’s two big engines

After the St Paul’s area, the tour shifts toward the City of London’s governing and trading identity. You’ll get a look at Guildhall, described as the ceremonial and administrative center of the City for over 800 years. This is one of those places where the guide can help you understand London’s unusual structure. The City is not the same as Greater London, and Guildhall is a physical reminder that the City has long run on its own rules and traditions.

From there, the walk emphasizes finance and commerce through stops around:

• The Bank of England (neoclassical architecture, described as the heart of the UK’s financial system for over 300 years)
• Mansion House (the Lord Mayor’s official residence since the mid-18th century)
• Royal Exchange (founded in 1565, rebuilt after major events including the Great Fire)

Here’s why this section is worth your attention. Many London tours either chase tourists or ignore the City’s day-to-day power structure. This one tries to show how decisions, money, and civic rituals shaped the places you’re walking past.

A balanced note: these are mostly stop-and-look segments rather than long, ticketed interior visits (the tour info only flags ticket exclusions for St Paul’s and the Tower). If you love museums and want deeper access inside every building, you may wish you had extra time in the later afternoon. If you like context and quick orientation, this style fits well.

Monument to the Great Fire, and why 1666 is still everywhere

You’ll also stop at the Monument to the Great Fire of London. The tour frames it as a lasting reminder of the 1666 disaster, which reshaped the City.

Even if you’ve seen the Monument in photos, a guided explanation helps you connect it to what you see on the ground today. The Great Fire is one of those events that’s not just a story in a book. It’s in the way the City rebuilt, the way streets and buildings evolved, and the way London’s identity hardened and adapted afterward.

The tour describes the Monument as designed by Sir Christopher Wren, and it also mentions views from its summit. Since the tour info doesn’t state that the summit is included, treat this as a viewpoint and storytelling stop rather than a guaranteed climb. You’ll get the meaning, plus enough time to take in the shape and scale.

If you’re short on time in London, this is one of those moments that pays off because it gives you a mental map for why so much of the City looks the way it does.

Leadenhall Market, architecture you can actually photograph

Next up is Leadenhall Market, with about 15 minutes and free admission noted.

Leadenhall Market is one of those stops that makes the whole route feel more like wandering than commuting. The guide’s focus here is on the market’s architectural wonders and its atmosphere. And because you’re only given a short window, the stop works best when you use it for what it’s best at: photos, quick observations, and soaking up the details you might miss if you walked past on your own.

One practical advantage: markets like this also give you a break from pure landmark sighting. You can slow your pace, stand somewhere comfortable, and reset your eyes. If you’re the kind of traveler who likes to balance “history facts” with “street-level London,” this is a good counterweight.

The Garden at 120 viewpoint, quick time, big payoff

You’ll also visit the Garden at 120, with about 20 minutes and free admission noted. This is the tour’s modern contrast to the Roman and medieval stops.

The Garden at 120 is valuable because it gives you a higher-angle understanding of where you are. After walking past so many historic sites, a viewpoint helps you see the City’s layout, the density of streets, and how the landmarks relate to each other.

You’re not there for hours, so don’t treat it like a slow rooftop hangout. Instead, treat it like a timed orientation tool. If you want long rooftop time, you may want to plan something separate. For a short walking tour, this stop is a clever way to end the “learn mode” and switch into “look and connect” mode.

All Hallows by the Tower, Roman pavement and a church that survived

Near the Tower area, you’ll have a stop at All Hallows by the Tower. The tour frames it as the oldest church in the City of London, standing for over 1,300 years, and it notes it narrowly survived the Great Fire of 1666.

What I like about stops like this is that they’re not just about one era. The description includes artifacts inside, including a Roman pavement and exhibits related to the church’s long story. That matters because it reinforces a key idea: London layers time. You don’t just “see the past.” You see evidence of how people reused, rebuilt, and carried stories forward.

Practical point: the tour info highlights interior features, but it doesn’t list a separate ticket requirement for this church. Still, with any historic site, there can be opening-hour variation. If you’re specifically hoping to see the interior exhibits, check your timing and be ready for a “see what’s available in the time window” reality.

Tower of London at the end, with admission on your terms

The final big landmark is the Tower of London, with about 20 minutes and admission not included.

This ending is smart. Even if you are not going inside, you’ll likely get a strong sense of why the Tower is such a symbol. The tour description points to centuries of royal intrigue and imprisonment and execution, and you’ll see the Tower’s walls and key external elements that communicate power and history fast.

Because admission is not included, you should treat this as your guided “arrive and orient” moment. If you want the full Tower experience, plan a separate time either right after the tour or on another day. Finishing at Tower Hill also helps because it’s a natural base for continuing your sightseeing, transport, and evening plans.

Price and value, why $24.69 can feel like a deal

At $24.69 per person for about 2 hours 20 minutes, this is one of the more budget-friendly ways to cover a lot of Central London without renting a car or paying for constant transit hops.

Here’s where the value comes from:

• You get guided interpretation, not just a map with stops
• Several stops are described as free (London Mithraeum Bloomberg SPACE, Leadenhall Market, and the Garden at 120)
• Two major landmark areas (St Paul’s and the Tower) are included as guided sights, even though admission isn’t included

In other words, you’re paying for the guide’s ability to connect dots and save you from spending your short time randomly wandering. And because the group is capped at 20, the experience tends to stay structured instead of chaotic.

One more practical value note: the tour uses a mobile ticket, and it’s offered in English. That’s not exciting, but it’s exactly the kind of small friction that makes a tour feel easier when you’re already juggling stations, weather, and lunch plans.

What you’ll carry away, and what you might miss

After this walk, you should feel like you understand the City of London as a living system, not just a collection of famous buildings.

You likely come away with:

• A clear Roman thread from early Londinium through the Mithraeum stop
• A better grasp of how the City’s governance and finance shaped the visible architecture
• A sense of why 1666 and the Great Fire still matter
• Photo-ready landmark views at St Paul’s and the Tower area
• A modern perspective from the 120 Garden viewpoint

What you might not get is long, ticketed time inside every major site. Admission isn’t included for St Paul’s and the Tower, and the tour time at each stop is short. If your ideal tour is spending 60 to 90 minutes in one museum, this may feel like a “see it, learn it, move on” format.

Who this tour fits best

This works really well if you:

• Like walking tours but want them planned, not chaotic
• Enjoy history that connects eras, Roman through post-fire London
• Want both landmark photos and lesser-seen stops without going off in ten directions
• Appreciate a guide with energy, and a pace that keeps the group together

It might not be your best choice if you:

• Want maximum time at St Paul’s Cathedral or the Tower of London interiors
• Dislike walking between close, dense City locations
• Only want ticketed attractions, since some stops are viewpoint and storytelling focused

Based on the guide-style described in feedback you can look for, the experience tends to work because the guide keeps people involved and makes the facts feel human, not like a lecture.

Should you book this City of London walking tour?

If you’re planning a first or second trip to London and you want a tight, efficient way to understand the City of London, I think it’s an easy yes. The combination of Roman London at the London Mithraeum Bloomberg SPACE, civic and financial landmarks around Guildhall, Bank of England, Mansion House, and the Royal Exchange, plus photo points at St Paul’s and the Tower of London is a solid mix.

But if your top priority is going deep inside major ticketed sites like St Paul’s and the Tower, plan to add extra time for admissions yourself. Think of this tour as your best “orientation and storytelling” layer, then build from there.

If you can handle a 2 hour 20 minute walk and you want history you can see, this is a good way to spend a London afternoon.

FAQ

How long is the Hidden Gems Tour of the City of London?

It lasts about 2 hours 20 minutes.

Where does the tour start and where does it end?

It starts at 174 Queen Victoria St, London EC4V 4EG, and ends at Tower Hill, London EC3N.

What time does the tour begin?

The start time listed is 1:30 pm.

Is St Paul’s Cathedral admission included?

No. St Paul’s Cathedral admission is not included, even though it is a stop on the tour.

Is Tower of London admission included?

No. Tower of London admission is not included, even though it is a stop on the tour.

Are any stops free to enter?

Yes. London Mithraeum Bloomberg SPACE is listed as free, Leadenhall Market is listed as free, and the Garden at 120 viewing platform is listed as free.