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Flat Iron Marylebone

Restaurant | London | England | United Kingdom

Best steakhouse in London

The Flat Iron Marylebone in London, England, is an outstanding example of the successful British steakhouse chain Flat Iron, which specializes in offering high-quality steaks in an uncomplicated and accessible manner. Located in the charming neighborhood of Marylebone, known for its village-like atmosphere amidst the urban hustle of London, this restaurant has established itself as a popular meeting point for meat lovers. The chain, which traces its origins to a small pop-up in Shoreditch, has become a staple in the London dining scene, and the Marylebone branch adds a special touch to this reputation.

Restaurant with heated terrace

The ambiance at Flat Iron Marylebone is a successful blend of rustic charm and modern simplicity. The decor emphasizes functionality and craftsmanship, featuring details like repurposed materials that bring a down-to-earth warmth to the space. Notably, there is a large heated terrace that offers views of the picturesque St. Christopher’s Place—a perfect spot for enjoying outdoor dining in good weather. Inside, skylights create a bright and inviting atmosphere that almost resembles a hidden garden. The open layout and bustling yet friendly vibe make it a place suitable for both a quick lunch and a relaxed dinner.

Authentic steakhouse experience

Culinarily, Flat Iron Marylebone embodies a clear philosophy: quality over quantity. The centerpiece of the menu is the namesake Flat Iron Steak, a cut from the shoulder of the beef that is prized for its tenderness and intense flavor. It is prepared with precision and served with a selection of homemade sauces, such as a spicy pepper sauce that perfectly enhances the taste. Another highlight is the Wagyu Burger, exclusively offered at this location—two juicy patties of grass-fed Wagyu beef, topped with melted cheese, homemade truffle mayonnaise, and crunchy toppings. Among the sides is the Bone Marrow Garlic Mash, a creamy mashed potato with bone marrow and garlic that impresses with its rich texture. The Beef Dripping Chips, crispy fries fried in beef fat, are also a favorite, adding an extra depth of flavor to the meal.

High quality steaks in Marylebone

The dessert offering is intentionally minimalistic but provides a special experience: after the meal, guests receive a small tag that they can exchange at the exit for a complimentary Salted Caramel Ice Cream—a soft-serve ice cream in a cone adorned with salted caramel and chocolate sprinkles. The drink menu complements the meal with a selection of cocktails specially crafted for the Marylebone branch, as well as a handful of local draft beers that enhance the rustic flair.

Friendly service at restaurant

Service at Flat Iron Marylebone is often described as friendly and efficient, with a team that warmly welcomes guests and attends to them attentively. The concept forgoes reservations, which can mean a queue during peak times, but the wait is made more pleasant with small gestures like complimentary popcorn. The restaurant attracts a diverse crowd—from tourists taking advantage of its proximity to Oxford Street to young Londoners, couples, and groups looking to enjoy a good steak in a relaxed environment. The family-friendly atmosphere and the option to sit outside make it even more appealing.

Contact details

Web

Phone
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Address
44 James St
W1U 1EY London

Map view

Opening hours

Sunday12:00 - 22:00
Monday12:00 - 22:00
Tuesday12:00 - 22:00
Wednesday12:00 - 22:30
Thursday12:00 - 22:30
Friday12:00 - 23:00
Saturday12:00 - 23:00

Reviews

2507 Reviews

Princess Oke
09.03.2025

We had a fantastic experience, thanks to Kasim, who took great care of us. The ambiance was cosy and welcoming, creating the perfect setting for a memorable visit. The food was outstanding—beautifully presented and full of flavor. Kasim’s warm hospitality and attention to detail made all the difference. Highly recommended! ❤️
zivar faradzhova
09.03.2025

The food and the service was lovely, Nika especially was very attentive and great, will definitely come again!
esmira farajova
09.03.2025

Amazing service, Nika was super friendly and helpful my sister and I had a great experience!!
Athina Missailidou
09.03.2025

Kasim and Tom were not just amazing they were INCREDIBLE, lovely people and lovely atmosphere
Giannis Pieris
09.03.2025

Amazing food and excellent service! I was served by Kasim who was super polite and friendly and the food was delicious. Everything was perfect! Highly recommend!
Αλεξάνδρα Κύρου
08.03.2025

The best place for steak! If you’re in London, this spot is an absolute must! The best stuff member was Kasim! Polite and friendly!
Georgia Simpson
08.03.2025

Camilla is such a beautiful person! Her customer service really brightened up our evening. Thank you for being so friendly and helpful!
Gyopár Benkovics
08.03.2025

What a lovely dining experience! Lovely food, their steak is to die for! Friendly staff, especially Nikoletta our waitress. Created a lovely athmosphere, with warm welcome, and with a nice chat she made our dining experience very memorable! Definitely will return soon!
Krisztián Farkas
08.03.2025

Great service from Nikoletta, very friendly personality, looked after us very well, she gave special attention to my girlfriend's allergy as well!! We'll be back!!
Κατερίνα Κατσουλάρη
08.03.2025

Perfect place to eat high quality meat!! Also a beautiful,clean place!! But the best of all is the service of waiter Kasim a very kind person who helps us to choose the best
Ania Polianchikova
08.03.2025

The food, the drinks (especially Bellini€ as well as service from Dima are amazing! Highly recommended
Jessiany Santos
08.03.2025

Hi, I arrived today and had two cocktails with my girlfriend. Michael was great, very friendly
Audrey Thouvenin
08.03.2025

Amazing time at the bar with Michail who took a great care of us 🥩🍟🍻 you made our day! Enjoy the graduate program, explore learn and follow the good mentors. You’ll travel anywhere you want. Go say hi to him and enjoy a fresh lucky saint 😎
Richard
08.03.2025

Great food and service, special shout out to Michael who was really friendly and helpful
Lorenzo reis
08.03.2025

Today I ate at the flat iron Marylebone, the food was great and Michael was such a sweet heart I really had a great time.
Matheus Rodrigues
08.03.2025

Micheal just made my day amazing service, food was delicious
Kadriye Saylan
07.03.2025

Niki herşey çok iyiydi, bize olan servisin için teşekkürler
Bertuğ Saylan
07.03.2025

Thanks niki for the good service
Karoly Szabo
07.03.2025

Our first experience at flat iron was incredible. We got a table almost straight away, the food was delicious and the staff is very welcoming and attentive, thank you to Niki for the spot on service she was a great person how was looking after me and my wife to have a best quality service to enjoy our night out.
Gabriel Mendoza
07.03.2025

Very good food and excellent service. Nikki was our server and she was awesome!
Gershom Depalubos
07.03.2025

I visit a Flat Iron restaurant every time I’m in London and each visit are always delightful, but this one in particular was especially great. On top of the wait not being terrible and the food being delicious as usual, Kasim’s welcoming charisma made the experience that much more enjoyable.
Anhadh Sujan
06.03.2025

Amazing food and atmosphere Thank you for the service Niki
Alexia Theodorou
06.03.2025

Noki and Veronika were amazing!! The best !
Mila
06.03.2025

Visiting from the States, we decided to try the burgers before coming back lol Definitely one of the best burgers we’ve tried in a while! The atmosphere is very cozy and Nikki made sure we get everything we need and even wished to have a safe departure! The overall experience was above our expectations
Obaid Q
05.03.2025

As usual an outstanding food, fast service restaurant manager always available to overcome any issue if there is any. It’s my must visit restaurant in London.
K S R
05.03.2025

We arrived late, so the burgers were sold out, but we tried the steak and mac & cheese, which were both good. We also loved the idea of free ice cream, and it was refreshing!
Can Tuncok
04.03.2025

I tried the Flat Iron Marylebone branch for the first time, and it did not disappoint. I’ve always been a fan of this restaurant chain, and the quality and friendly service I’ve come to expect were evident here as well. As a thoughtful gesture, I was even given a Flat Iron-branded token—normally used for ice cream at checkout—which really highlighted their commitment to customer satisfaction. I’ll definitely be coming back!
Vroni Von M
02.03.2025

juicy and tender steak! really good!
Sanja Schmidt
02.03.2025

Had a great dinner here! We ordered the steak, truffle mac and garlic mash and it was delicious!! Our server Niki was really friendly and accommodating! Also the prices are very good especially for London. Music was a bit loud but still great atmosphere. Will be coming back!

 

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