The Tsunami Clapham terrace on Voltaire Road, white linen tables under planters

Modern Japanese in the heart of Clapham.

Sushi, robata grill and crafted cocktails on Voltaire Road since 2001.

Reserve a table View menu (opens in a new tab)

A Japanese kitchen and bar on Voltaire Road.

Five minutes from Clapham Common tube. Open Wednesday to Monday, with lunch and handmade dim sum from noon at weekends.

The food, the bar, the room.

  1. A sashimi bowl on ice

    Sushi, sashimi, robata

    More

    A short, deliberate menu built around the day's catch and the binchotan grill. The miso-cured black cod has been a fixture since 2001.

  2. Lychee Rose Martini at the Tsunami bar

    Cocktails and sake

    More

    The Lychee Rose Martini is the quiet best-seller. Old fashioneds are smoked over cherrywood at the table, and the Japanese whisky shelf rewards the curious.

  3. A Tsunami table set with chopsticks and a chopstick wrap

    The room

    More

    Walnut counter. Midnight banquettes. A cocktail bar running the length of the back wall.

  4. Mussels served with a citrus martini

    Small plates

    More

    The bao and the tempura are why locals come back. Lunch and handmade dim sum from noon at weekends.

Five plates, on rotation.

  1. 01

    Counter

    Avocado, tobiko, ice

  2. 02

    Bao

    Soft-shell, chilli, slaw

  3. 03

    Grill

    Octopus, heirloom, basil

  4. 04

    Bar

    Lychee, rose, gin

  5. 05

    Robata

    Yakitori, binchotan

Avocado and tobiko served on ice in a glass bowl
  • 25Years in Clapham
  • 4.4OpenTable rating
  • 5,500+Guest reviews
  • 6Nights a week

What guests say.

4.4 OpenTable, from 5,500+ reviews

The black cod is everything you've heard. Twenty years on we still book the same booth for our anniversary, and it never disappoints.

Verified OpenTable diner, March 2026

Every week.

  • Tapasia Mondays poster with a tapas cone

    Tapasia Mondays

    3 Asian-style tapas and 1 drink, £17.95. From 5pm.

  • A pink signature cocktail for Wednesday cocktails

    Wednesday cocktails

    All signature cocktails 50% off, 5 to 7:30pm.

  • Sushi held in chopsticks for Thursday sushi

    Thursday sushi

    All signature rolls 50% off, 5 to 7:30pm.

From the kitchen and the bar.

@tsunami.clapham on Instagram (opens in a new tab)
  • Wednesday cocktail with a flower and a cone, from Instagram
  • A set table with flowers and a Tsunami napkin, from Instagram
  • Tapasia Mondays tapas on a stone plate, from Instagram

Book a table.

We hold tables for fifteen minutes past your booking time.

+44 20 7978 1610
Book online (opens in a new tab) Order online, code TAKE20 (opens in a new tab)

Takeaway: +44 20 7720 2922

Send an enquiry

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Map showing Tsunami Clapham at 5-7 Voltaire Road, SW4 6DQ Open in Google Maps (opens in a new tab)

Find us.

5–7 Voltaire Road
Clapham, London SW4 6DQ
  • Mon5pm – 9.30pm
  • TueClosed
  • Wed5pm – 9.30pm
  • Thu5pm – 9.30pm
  • Fri5pm – 10pm
  • Sat12pm – 10pm
  • Sun12pm – 9.30pm

Happy hour Mon, Thu and Fri 5 – 7pm, Sat and Sun 12 – 5pm.

Get directions (opens in a new tab)

5Food Hygiene Rating: Very Good (opens in a new tab)
Concept mock-up by InSite Scan