5 Costly Mistakes to Avoid When Visiting London (Local Guide)

March 11, 2026

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Most people who visit London spend more money than necessary simply because they don’t understand the local ‘rules’. Beyond the financial cost, there is the social cost: showing up to an elegant afternoon tea in “tourist” attire or delving into a cultural norm that marks you as unprepared.

After 13 years of living here, I have seen a lot. And I myself have suffered from mistakes as an American living in London, even with a husband born here. If you want to avoid the anxiety and overwhelm that comes with navigating a new city, here are five mistakes you can easily avoid.

1. The Tipping Trap: Don’t Spend More Than Necessary

The most common source of “bill anxiety” among Americans is bringing “20% extra math” to a London table or bar counter. In the UK, salaries are higher. The pressure to subsidize staff pay through tips simply does not exist. And after adapting to this concept, I really like tipping in the British system much better than the one in the United States.

The insight: Look at the bottom of your bill for a “discretionary service fee,” typically between 12.5% and 13.5%. If it’s there, you’re done. Adding more is not expected and will not make you “extra” appreciated. It’s just an unnecessary expense and it labels you as “American” and potentially poorly traveled.

The exception: If the service was good but the fees are not included, it East considered bad form to leave nothing. Just ask your server how to manually add a tip to the card terminal. Mr. Sunny and I are always sure to do so. If we forget, we leave cash, which is actually not used much here but is good to have on hand when traveling to London.

The publication rule: Never tip at the bar when you order a round of drinks. It’s a social sign that immediately marks you as an outsider.

2. The Leicester Square mistake: London’s “Times Square”

Many visitors consider Leicester Square a dining destination simply because it is central and convenient to their London itinerary. In reality, Leicester Square and Piccadilly Circus are the equivalent of London’s “Times Square”: expensive, busy and not really worth your time.

The only real value of Leicester Square to you would be waiting for the opportunity to see celebrities on the red carpet at a film premiere.

The insight: You’re just a stone’s throw from Soho, which offers some of the most exceptional and diverse food in London. However, Soho is a maze of small side streets. Without an organized plan, the density of options leads to total decision fatigue and “quick” (but poor) choices.

Hotels

If you haven’t yet booked your hotel for your trip to London, here’s an interactive map to help you get started! It is based on the most central location in the city.

3. The “Pod” versus sight: a more sophisticated perspective

I often see visitors spending £35 and an hour of their London journey on the London Eye, only to spend 30 minutes confined in a glass capsule with 20 strangers.

The insight: If you have teenagers, keep the London Eye on your list. My 1:1 travel consulting clients always respond saying that this demographic enjoyed it. They enjoy the “ride”.

For everyone else, avoid the rotating module and choose ambiance. Sky Garden, Horizon 22 and Garden at 120 offer far superior views and sophisticated dining in a much more elegant environment. It’s a much more civilized way to appreciate the horizon.
The take: These views are free but booking windows are narrow and slots disappear on days they become available. (Except for the Garden at 120, which just requires queuing).

4. The myth of the travel card: modern public transport rules

The quickest way to look like a tourist is to pull out an old-fashioned physical Travelcard or paper ticket. Or better yet, queue at a vending machine to buy one at London Heathrow or the underground station. I always feel bad for those people waiting in those lines when I get off a 9 hour transatlantic flight.

The insight: Physical cards are obsolete. Use a contactless card (or your phone) throughout the day to reach the “daily price cap”.

Crucial: Make sure the card you use doesn’t have any foreign transaction fees.

The secret of navigation: Stop relying on Google Maps. Download CityMapper. This is the only app used by locals. This will avoid the common mistake of taking a 10-minute subway ride for a journey that is actually a nice four-minute walk. This is a classic mistake for people traveling to Covent Garden. They don’t realize that it’s quicker to walk from Leicester Square station than to change trains to get to Covent Garden.

5. Afternoon tea “algorithm” error

Social media often focuses on a “viral” tea, leading visitors to repurpose their entire day to book that specific London dining experience.

The insight: Most 4 and 5 star hotels in London offer beautiful and elegant high tea. Choose one that fits your London itinerary rather than wasting hours scouring the city for a trend.

The protocol: I attend 2-3 afternoon teas each month. From these experiences I have created a guide to afternoon tea etiquette and I regularly update my list of the best afternoon teas in London.

I can also tell you that dress codes are important; some require more formal attire, while others are “sophisticated tourist” friendly. Also remember that tea is a hearty meal.

Don’t plan to have dinner at 7:00 p.m. after a 3:00 p.m. tea. You will regret it. In fact, I don’t usually schedule much after tea. The food coma from all those carbs and pastries is real!

Avoid overtaking and enjoy the experience

London is one of the best places to visit in the world. But it can be very painful if you are not prepared. By avoiding these five mistakes, you eliminate many of the frictions that cause travel anxiety.

If you want everything I’ve learned about London since moving here in 2013, it’s all in my London travel guides. You can stop worrying about details and start getting excited about your trip. Packages are the best deals. With just one click you can download everything instantly and have it available in your pocket during your trip to London.

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