If you’re looking for the Flat Iron Menu in the UK, the restaurant is centred around steak, with its signature Flat Iron steak supported by beef-focused specials, classic sides, sauces and a selection of non-alcoholic drinks. The current menu lists the signature Flat Iron steak at £15, while other beef options include a 35 Day Aged Ribeye at £20 and a Wagyu Steak of the Day at £24.
Flat Iron has restaurants across London and several locations outside the capital, including Brighton, Bristol, Cambridge, Leeds, Manchester and Newcastle. The official restaurant list also shows Birmingham opening in October 2026, with Liverpool and Glasgow listed as forthcoming locations. Flat Iron Menu This guide covers the current menu, prices, steak choices, sides, sauces, soft drinks, dietary information, location differences and practical tips for checking the latest information before visiting.
Flat Iron Menu Prices
The main Flat Iron menu is relatively focused rather than being a huge restaurant menu. Its signature steak is currently listed at £15, giving diners a straightforward starting point if they want the restaurant’s main offering.
There are also higher-priced beef choices for diners looking for something different. The current menu lists a 35 Day Aged Ribeye for £20, while the Wagyu Steak of the Day is £24. The Wagyu option is presented as a daily cut, so the exact steak can change.
| Menu Item | Description | Price |
|---|---|---|
| Flat Iron Steak | Signature steak | £15 |
| 35 Day Aged Ribeye | Aged beef steak | £20 |
| Wagyu Steak of the Day | Daily Wagyu cut | £24 |
| Smashed Onion Double Cheeseburger | Flat Iron Herd Beef burger | £14 |
Prices can vary by location and may change over time. Branch-specific menus, promotions and specials should therefore be checked before ordering.
Flat Iron Steak
The signature Flat Iron Steak is the centrepiece of the menu. It is currently priced at £15 and is listed with a calorie figure of 325 kcal on the restaurant’s menu.
For diners who want the classic Flat Iron experience, the signature steak can be paired with one or more sides and a sauce. The menu also includes several alternative beef dishes, making it possible to choose something more substantial or different from the restaurant’s standard cut.
The restaurant’s individual branches also highlight the signature steak alongside classic sides. For example, Flat Iron Manchester describes its menu as being led by the Flat Iron steak, with beef dripping chips, creamed spinach and truffled macaroni cheese among the accompanying choices.
Flat Iron Beef Specials
The beef specials add variety to the core menu. Flat Iron Menu The current selection includes the 35 Day Aged Ribeye and the Wagyu Steak of the Day.
The Wagyu option is particularly changeable because it depends on the daily cut. Flat Iron’s restaurant pages also refer to blackboard specials, so diners should check what is available at their chosen branch rather than assuming every location has exactly the same special.
The menu also includes a Smashed Onion Double Cheeseburger, made with Flat Iron Herd Beef, priced at £14. This provides an alternative for someone who wants beef but does not want a steak.
Flat Iron Sides
Sides are an important part of the Flat Iron Menu, with several options designed to accompany the steaks.
| Side | Description | Price |
|---|---|---|
| Homemade Beef Dripping Chips | Classic chips | £4.50 |
| Crispy Bone Marrow Garlic Mash | Creamy mash-style side | £5 |
| Creamed Spinach | Creamed vegetable side | £4.50 |
| Green Salad | Fresh salad | £3.50 |
| Truffled Macaroni Cheese | Rich pasta side | £5.50 |
| Roast Aubergine | Tomato, basil and mozzarella | £5 |
The roast aubergine can also be ordered as a main for £9, according to the current menu. Flat Iron Menu The choice of sides means a simple steak order can be made more substantial. Beef dripping chips are the lower-priced classic option, while truffled macaroni cheese and bone marrow garlic mash offer richer choices.
Flat Iron Sauces
Flat Iron also offers a selection of sauces at £1.50 each. The current menu lists Béarnaise, peppercorn, homemade smoked chilli mayo and wild mushroom.
A sauce can be useful if you want to change the flavour of the steak without adding another large side. Flat Iron Menu However, dietary requirements can affect which options are suitable, so checking the restaurant’s allergen information is important if you have a food allergy.
Flat Iron Drinks
The restaurant’s menu includes a range of drinks. Flat Iron Menu For readers looking for non-alcoholic choices, the current menu lists House Fizzes for £3.50, with Lime & Mint, Apple & Rhubarb and Rose Lemonade flavours.
There are also 0% cocktail options priced at £5, including Citrus Margarita, Virgin Passion Fruit Collins and Sober Mule. These provide alternatives for diners who want something more interesting than a standard soft drink.
The official allergen guide also identifies several soft drinks and 0% options, while noting specific allergen information where applicable.
Flat Iron Vegetarian Options
Although Flat Iron is primarily known for beef and steak, the menu does include a vegetable-based option. Flat Iron Menu Roast Aubergine, served with tomato, basil and mozzarella, is listed at £5 as a side and can also be ordered as a £9 main.
Other meat-free sides include green salad, creamed spinach and macaroni cheese. However, diners should not assume that a dish is suitable for a particular dietary requirement simply because it does not contain meat. Flat Iron Menu For vegetarian, vegan or other dietary needs, it is best to check the latest menu and speak with staff before ordering.
Flat Iron Menu Allergens
Flat Iron provides a dedicated allergen guide, which is useful for customers who need to check ingredients before ordering. The current guide says that all steaks may be served dairy-free on request, while individual dishes have their own allergen information.
For example, the smashed onion double cheeseburger is listed with allergens including celery, milk, eggs, cereals containing gluten, mustard, soya and sulphur dioxide. Flat Iron Menu The roast aubergine contains eggs and milk, while the creamed spinach contains eggs and milk.
The restaurant states that it makes efforts to avoid cross-contamination but cannot guarantee dishes and drinks are allergen-free. Its allergen guide was reviewed on 1 July 2026.
If you have a serious allergy, always tell the restaurant team before placing your order and check the latest official allergen information.
Popular Flat Iron Menu Items
Popular choices may include the restaurant’s signature Flat Iron steak, particularly for first-time visitors who want to try the dish the brand is built around. The official branch pages repeatedly highlight the signature steak alongside classic sides.
The 35 Day Aged Ribeye and Wagyu Steak of the Day are useful alternatives for diners who want a different beef cut. The Wagyu special can change, so availability should be confirmed at the branch.
For a fuller meal, the steak can be combined with sides such as beef dripping chips, creamed spinach or truffled macaroni cheese. These combinations let diners build a meal according to their appetite and budget.
Flat Iron Menu Deals and Value Options
Flat Iron does not need a long list of complicated meal combinations to give diners choice. The menu starts with the £15 signature steak, while sides are separately priced from £3.50 to £5.50.
This structure means you can keep an order relatively simple or add sides depending on what you want. The £14 smashed onion double cheeseburger also provides an alternative to the steak menu.
Prices should still be treated as changeable. A branch may have specials or other availability differences, and the restaurant’s official menu should be checked for the latest information.
Does the Flat Iron Menu Vary by Location?
The core menu is broadly consistent across Flat Iron restaurants, but individual locations can have their own features and specials. The official restaurant directory currently lists numerous London branches alongside restaurants in Brighton, Bristol, Cambridge, Leeds, Manchester and Newcastle.
Some branches specifically mention blackboard specials. Kensington, for example, highlights the Wagyu Steak of the Day alongside Flat Iron classics, while Manchester has a custom-built charcoal grill used for specials such as Wagyu and Scottish ribeye.
There can also be temporary changes. Flat Iron Covent Garden, for example, is listed as closed from 25 September until 9 October 2026 for a refresh, with Piccadilly and Tottenham Court Road given as nearby alternatives. This is why checking the individual branch page before travelling is worthwhile.
Flat Iron Locations in the UK
Flat Iron has a substantial London presence, with branches including Borough, Covent Garden, Hammersmith, Kensington, Kings Cross, London Bridge, Marylebone, Piccadilly, Shoreditch, Soho, Southbank, Spitalfields, Tottenham Court Road, Victoria, Waterloo and Westfield London.
Outside London, the official restaurant directory lists Brighton, Bristol, Cambridge, Leeds, Manchester and Newcastle. Birmingham is listed as opening in October 2026, while Liverpool is marked as coming soon and Glasgow is listed for 2027.
Opening times are branch-specific. For example, Flat Iron Manchester currently has different hours across weekdays and weekends, while Piccadilly has its own schedule.
How to Check the Latest Flat Iron Menu
The safest way to check current prices and availability is through the official Flat Iron website and the page for your chosen restaurant. The restaurant directory provides individual branch information, while the main menu page provides the current menu selection and listed prices.
Before visiting, check the branch page for opening times and any temporary closure notices. You can also check the latest allergen information if you need to avoid specific ingredients. For menu-focused research, you can also browse other UK restaurant menus through BoostMag restaurant menus for comparisons with other dining options.
You can also explore dining menus across the UK to compare different restaurants and their food choices.
Frequently Asked Questions
What is on the Flat Iron Menu?
The menu focuses mainly on steak and beef, led by the signature Flat Iron steak. It also includes beef specials, a smashed onion double cheeseburger, sides, sauces and a selection of drinks.
How much is the Flat Iron Steak in the UK?
The current official menu lists the Flat Iron Steak at £15. Prices can change, and branch availability may vary, so check the latest menu before ordering.
Does Flat Iron have sides?
Yes. Current sides include homemade beef dripping chips, crispy bone marrow garlic mash, creamed spinach, green salad, truffled macaroni cheese and roast aubergine. Prices range from £3.50 to £5.50.
Does Flat Iron offer a vegetarian option?
The current menu includes roast aubergine with tomato, basil and mozzarella, available as a side or a £9 main. Other meat-free sides are also listed. Customers with specific dietary requirements should check the latest allergen information.
Does Flat Iron have a kids menu?
The current main menu information reviewed for this guide does not list a dedicated kids menu. Because menus can change, families should check with their chosen branch before visiting.
Does the Flat Iron Menu vary by location?
The core menu is similar across the chain, but individual branches can have specials and temporary changes. The official website lists branch-specific information and special dishes.
Are Flat Iron prices the same at every branch?
The published menu provides general prices, but customers should not assume every item or special will be identical at every location. Branch-specific availability and specials can differ, and prices may change over time.
How can I check Flat Iron allergen information?
Flat Iron publishes an allergen guide covering individual dishes and drinks. The current guide was reviewed on 1 July 2026. Customers with allergies should check the latest information and tell staff about their requirements before ordering.
Final Thoughts
The Flat Iron Menu keeps its focus firmly on steak, with the £15 signature Flat Iron steak forming the centre of the offering. Diners can also choose from aged ribeye, a changing Wagyu special, a beef burger, several sides and sauces.
The menu works well for customers who want a focused steakhouse selection rather than a long list of unrelated dishes. Sides such as beef dripping chips, creamed spinach and truffled macaroni cheese give diners plenty of ways to build their meal.
