The Best Public Saunas in London for 2026, Tested and Ranked
We tested and ranked the best public saunas in London for 2026, from £9.50 community baths to Canary Wharf's 60-person contrast therapy hall.
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Baltic Spa is a practical guide to sauna and cold-water culture in Britain. We map the public saunas, traditional banyas and wild coastal saunas you can actually visit, from converted horseboxes on a Cornish beach to city bathhouses and members’ clubs, with details on heat, sessions, cold plunges and how to book.
It’s built for people who already take this seriously: cold-water swimmers, regular sauna-goers, gym and recovery users, and homeowners weighing up a garden sauna or a cold plunge at home. If you want to find a löyly-style steam session near you on a Saturday, or work out whether a barrel sauna or an ice bath is worth the money, you’re in the right place.
Alongside the directory you’ll find buying guides we’ve actually thought through: home saunas, barrel and outdoor saunas, and ice baths, with the running costs, install realities and trade-offs spelled out. No hype, no inflated star ratings, just clear advice on where to go and what to build.
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Best Home Saunas in the UK: Barrel, Cabin and Infrared Compared
Barrel, cabin and infrared home saunas compared for UK buyers: real 2026 prices, electrical rules, running costs and which type suits your garden or spare room.
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Best Ice Baths and Cold Plunge Tubs for UK Gardens (2026)
A UK buyer's guide to the best ice baths and cold plunge tubs for gardens in 2026, covering inflatable pods, barrels, chillers, costs and safety.
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Sauna Heater Size Calculator: What kW Heater Do You Need?
Free sauna heater size calculator: enter your cabin dimensions and we work out the kW heater you need, with the right allowances for glass and uninsulated walls.
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Sauna Running Cost Calculator: What Does a Sauna Cost to Run in the UK?
Free UK sauna running cost calculator: enter your heater kW, electricity rate and how often you use it to see the cost per session, per week and per year.
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Ice Bath Ice Calculator: How Much Ice Do You Need?
Work out exactly how much ice you need for an ice bath: enter your tub volume, starting water temperature and target temperature for the answer in kilograms and bags.
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Sauna Cladding Calculator: How Many Timber Boards Do You Need?
Sauna cladding calculator for a DIY build: enter your room size and board width to get the square metres and number of tongue-and-groove boards, with a cutting waste allowance.