Ice bath & Cold Plunge in London

If you’ve watched anyone on the internet recover from anything in the last five years, you’ve watched them get into an ice bath. The cold plunge, meaning deliberate, controlled exposure to very cold water, has gone from a niche athlete’s trick to something thousands of Londoners now do every week.

We’re the place to do it properly.

What an ice bath actually is

A cold plunge at Sauna & Plunge Co. isn’t one pool. It’s six, set in pairs at 3°C, 6°C and 12°C, so you can pick the cold that fits the day, your tolerance and what you’re after. They’re 3D printed and shaped to the body, which is both a more sustainable way to build them and a good deal more comfortable than climbing into a wheelie bin full of ice.

The 3°C is the deep end: short, sharp, transformative, where regulars push themselves. The 6°C is the classic, cold enough to count and manageable once you’ve found your rhythm. The 12°C is there partly because emerging research suggests women’s cold exposure response benefits from slightly warmer water, and it’s the sensible first plunge for anyone new to this.

Across all three, the water is cold enough to trigger a full physiological response but not so cold that it becomes a feat of endurance. You step in, you stay for a minute or two, you step out. That’s it.

It isn’t a punishment, and it isn’t a test of how much you can suffer. The point isn’t to stay in until you’re shaking. It’s to stay long enough to get the benefit, then get out before it tips over into stress.

What the cold actually does

The research on cold exposure has come a long way in recent years. The honest summary: there’s strong evidence for short term effects on mood and alertness, growing evidence around recovery and inflammation, and some genuinely interesting work on cold tolerance and stress resilience. There’s also a lot of overclaiming online, so we’d rather you tried it and decided for yourself.

What we will say is this. Almost everyone who comes back for a second session does so because the first one made them feel better in a way they didn’t expect.

Cold on its own, or paired with heat

You can come and just do the plunge. Plenty of people do. But the cold tends to work best paired with the sauna, which is what contrast therapy is, and what most of our regulars end up doing.

The space is built for both: a traditional Finnish sauna at around 85°C with proper löyly, an infrared sauna at around 60°C for a gentler, deeper heat, and the six plunges alongside. You move between them however you like.

How a session works

Sessions are 30 minutes, by design. Long enough for three or four proper rounds of hot and cold, short enough that you’ll actually keep coming back. The benefit of cold exposure doesn’t come from one heroic session, it comes from regular ones. Three short sessions a week beats one long one every time, and we built the slot length around exactly that.

What to expect on your first ice bath

It’s worse in your head than it is in the water. The first twenty seconds are the hardest. After that your breathing settles, your body adjusts, and the time goes faster than you’d think.

A few things that help the first time:

• Breathe out, not in. Long slow exhales settle the panic response.
• Stay still. Moving breaks the warm layer of water sitting against your skin.
• Start at 12°C. There’s no need to begin at the deep end. Work your way up, or down, depending on how you look at it.
• Don’t push past your limit. A minute is plenty for a first go, and you’ll go longer naturally over the weeks.
• Staff are on hand throughout, so you won’t be doing it alone.

How to book

Book a standard session online and we’ll walk you through it when you arrive. Bring swimwear, and everything else is provided.

Sauna & Plunge Co., 124 Tabernacle Street, Shoreditch, London.