Sumosan
Mayfair, London
Restaurant in London, United Kingdom
Book with PearlThe Read
Full-Menu Japanese Mayfair
Dress
Smart Casual
Why go
Sumosan is a practical Mayfair pick for a social lunch or late dinner when atmosphere and location matter more than a tightly documented chef-led brief. Choose it for groups, dates, or a long evening in central London; cross-shop Bar des Prés - Mayfair for a higher-spend Asian meal, or Charlie's for Modern British at a £££ level.
About Sumosan
Sumosan is a London venue with daily hours from 12 PM to 2:30 AM and a smart casual dress code. Beyond those practical details, specific dishes, prices, cuisine details, awards, seating formats, service features should be confirmed directly with the venue.
The clearest reason to consider Sumosan is scheduling flexibility. It may suit plans that need a London venue open well beyond a standard evening slot, but diners should confirm current menus, booking requirements, any special requests directly with the venue before relying on them.
Choose it for flexible London timing
Sumosan is open every day from 12 PM to 2:30 AM. That makes timing the strongest planning detail, especially for guests comparing options around a later meal or a longer evening.
Avoid planning around a supposed signature item. Check the current menu when booking or on arrival, ask the venue directly about availability, dietary needs, or any occasion-specific arrangements.
Where it sits against other London choices
If you are comparing Sumosan with Bar des Prés - Mayfair, keep the comparison practical: confirm the latest menus, hours, booking terms with each venue rather than relying on assumptions about format or price.
Isabel, Il Gattopardo, Charlie's, Browns Grill Room may also be considered by diners looking at London dining options. Sumosan's key differentiators are its daily 12 PM–2:30 AM hours and smart casual dress code; other details should be checked directly before deciding.
Planning details
- Location
- 26 Albemarle St, London W1S 4HY, United Kingdom
- Reservations
- Book on SevenRooms
- Website
- isabelw1.london
- Phone
- +44 20 3096 9292
The take
The Take
The Vibe
Sumosan reads as an established Mayfair Japanese that trades novelty for steady refinement. The restaurant's reputation rests on longevity and a full-menu approach rather than the tightly scripted omakase ritual, so the room feels grown-up and reassuring rather than experimental. Service and pacing are built to accommodate table-based parties — locals, hotel visitors and international diners — which gives the place a quietly confident, classic character. It’s polished without feeling fussy, prioritizing coherent Japanese cooking translated for a European dining format and a social, shared experience at the table.
Best For
Sumosan is best for evening plans that favour convivial, full-service dining: date nights, business dinners and celebrations all sit comfortably here. Its format encourages sharing, so groups and parties who want to sample across the menu do well, and international or hotel guests find it an accessible introduction to high-quality Japanese cooking without committing to omakase. The Mayfair address also makes it a sensible choice for after-work dinners and special-occasion meals where guests expect polished service and a reliable, broadly appealing menu.
Ordering Tips
The restaurant’s full à‑la‑carte format rewards sharing: order a selection of smaller plates and a couple of mains to pass around rather than a strict single-course sequence. Lean into the signature items — Yellowtail Sashimi and Black Cod Miso — and add richer plates like Lobster Linguine or Burrata Ravioli with Truffle to vary textures and flavours. The format deliberately places decision-making with the guest, so pace your courses and discuss dishes with your server to build a balanced meal that suits a group rather than following a prescribed tasting menu.
Venue details
Ambiance
Modern and elegant with classical white tablecloths and dark wood in the restaurant; upscale bar with amber-lit spirits wall; nightclub downstairs with color-changing ceiling lighting and mischievous giraffe wall art. Evening atmosphere enhanced by live band and DJ creating a glamorous party vibe.
Tags
Vibe
Best For
Experience
Accessibility
At the Table
- Dress Code
- Smart Casual
- Noise Level
- Lively
- Service Style
- Upscale Casual
- Meal Pacing
- Leisurely
- Capacity
- Large
Signature Dishes
- Yellowtail Sashimi
- Black Cod Miso
- Lobster Linguine
- Veal Milanese
- Burrata Ravioli with Truffle
- Seared Salmon with Lime Soy and Mustard Miso
Planning details
Location
26 Albemarle St, London W1S 4HY, United Kingdom · Directions
Also consider
Also Consider
- Isabel, Notable alternative
- Il Gattopardo, Notable alternative
- Bar des Prés - Mayfair, Asian, ££££
- Charlie's, Modern British, £££
- Browns Grill Room, Notable alternative
Restaurant context
How Sumosan compares in Mayfair
Choose Sumosan when the brief is easy Mayfair energy and a meal that can stretch later than a standard dinner. Bar des Prés - Mayfair is the sharper comparison for a clearly framed Asian ££££ meal, so it suits a higher-spend occasion better. Sumosan is the more practical call when booking ease and late-night usefulness carry more weight than a formal special-occasion setup.
Isabel and Il Gattopardo are the natural alternatives if the room and Mayfair polish are as important as the food. Pick them when the group wants a more scene-led dinner. Pick Sumosan when the plan needs flexibility and a central address without turning the meal into a major production.
For value positioning, Charlie's has the clearer £££ Modern British signal, making it easier to judge spend before committing. Browns Grill Room is the safer cross-shop for a classic hotel-style meal. Sumosan is the better fit for a livelier Mayfair night rather than a quieter, more traditional dinner.
Around this place
Discover more on Pearl
Unlock the full Sumosan guide in Pearl, including awards, comparisons, FAQs, planning details, and nearby places.
Compare Sumosan
| Venue | Location | Cuisine | Price | Awards |
|---|---|---|---|---|
| Sumosan | London | ; | ; | No published awards |
| Isabel | London | ; | ; | No published awards |
| Il Gattopardo | London | ; | ; | Michelin Guide Great Britain & Ireland 2026 |
| Bar des Prés - Mayfair | London | Asian | ££££ | 2026 Harden's Top 100 UK Restaurants · #90Star Wine Lists 20262026 Michelin Plate2025 Michelin Plate2024 Michelin Plate |
| Charlie's | London | Modern British | £££ | Michelin Guide Great Britain & Ireland 20262025 Wine Spectator Best of Award of Excellence2025 Michelin Plate2024 Michelin Plate |
| Browns Grill Room | London | ; | ; | No published awards |
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How Sumosan London compares with similar nearby venues.
FAQ
Frequently Asked Questions
Can Sumosan accommodate groups?
For group accommodation, larger parties should contact Sumosan directly before booking. Sumosan is open daily from 12 PM to 2:30 AM.
What should a first-timer know about Sumosan?
First-timers should know: Sumosan is in London, open every day from 12 PM to 2:30 AM, lists a smart casual dress code. Check the venue directly for the current menu, booking terms, any special requests.
Is Sumosan good for solo dining?
For solo dining suitability, if you are planning to visit alone, confirm the current setup with the venue; the hours are daily from 12 PM to 2:30 AM.
Is lunch or dinner better at Sumosan?
The hours run from 12 PM to 2:30 AM daily, but there is no information on separate lunch or dinner offerings. Choose a time based on your schedule and confirm the current service details directly with Sumosan.
What should I order at Sumosan?
For specific dishes or signature orders, use the current menu at the venue, ask staff directly about availability, ingredients, any dietary needs.
Can I eat at the bar at Sumosan?
For bar dining, if that matters for your visit, contact Sumosan directly; the practical details are its London location, daily 12 PM–2:30 AM hours, smart casual dress code.
