Urban sweat lodge
“Urban sweat lodge” is a marketing name for a city heat studio. You book a slot, you sit in an infrared cabin or a heated pod for half an hour, you shower, you leave. That is the whole thing.
It is worth saying what it is not. A sweat lodge proper is a ceremonial structure used by a number of Indigenous peoples of the Americas, with a religious purpose and its own protocols. The studios borrowed the phrase. They are not the same practice and this page is about the studios.
What a session involves
The format is consistent across studios:
- a private or semi-private cabin, usually infrared, sometimes with red light panels
- 25 to 45 minutes at roughly 45°C to 60°C, cooler than a Finnish sauna
- towels, water and a shower afterwards
- often a cold plunge or cold shower bolted on at the end
You sweat heavily but you are not fighting the heat, which is the point. At 55°C you can sit and read. At 90°C you cannot.
What it costs in a studio
Prices checked 17 August 2026. Sweat Lounge in London publishes its rates, which sit in the middle of the London market:
| Session | Length | Drop-in |
|---|---|---|
| Solo pod | 30 minutes | £35 |
| Premier cabin with red light, 1 to 2 people | 40 minutes | £60 |
Packs and memberships bring the per-session price down, to about £29.50 on a ten pack and £20.63 on the largest membership. Communal traditional saunas in London go a good deal cheaper than any of this, from under £10 on off-peak weekday slots.
The home version, and when it is worth it
Here is the arithmetic that decides it.
The cheapest one person infrared cabin in UK listings we checked is about £1,234. At a £35 drop-in, that is roughly 36 studio sessions. Three sessions a week and you are level in about twelve weeks.
Electricity barely registers next to that. A 1.3kW cabin costs about 34p an hour, so a 30-minute session is about 17p. That is at a unit rate of 26.11p per kWh, published by Ofgem for 1 July to 30 September 2026.
The chart at the top of this page plots both. The pay-per-session line climbs at £35 a time and never stops. The ownership line starts at £1,234 and is almost flat afterwards, because 17p a session does not move it.
So the honest test is frequency. If you will use it two or three times a week, buying wins quickly. If you will use it twice a month, a drop-in is cheaper and someone else cleans it.
What you need at home
Space. A one person cabin is roughly the footprint of a shower cubicle. You need clearance around it and a floor that will take the weight, so a ground floor or a solid subfloor.
Power. Every one person cabin in the listings we checked draws 1,200W to 2,000W at 230V. A UK 13A socket carries just under 3kW, so they plug in. Give the cabin its own socket rather than an extension lead or a shared spur.
Ventilation and moisture. You will sweat a lot and it has to go somewhere. Do not put a cabin in a small unventilated room with soft furnishings.
If you want the traditional Finnish version instead, the wiring changes completely and the room becomes a special location under the Building Regulations. Our comparison sets out both, including the running costs and what an electrician has to certify.
Safety
The German Federal Office for Radiation Protection publishes guidance on infrared cabins. Four rules come out of it:
- take medical advice first if you are cardiovascularly sensitive
- stop if you get prolonged reddening of the skin
- never use a cabin after alcohol, drugs, or medication that dulls pain
- protect your eyes, which are particularly sensitive to heat
The alcohol rule is the one people ignore. Pain is the signal that tells you to get out, and anything that blunts it removes your only warning.
Drink water before and after. If you feel light-headed, get out and sit down.
What it will and will not do
Regular sauna use has a real evidence base. In the Finnish cohort study that everyone cites, men who used a sauna 4 to 7 times a week had 63% lower risk of sudden cardiac death than men who went once a week, published in JAMA Internal Medicine in 2015. It is observational, it was Finnish men aged 42 to 60, and it was traditional saunas rather than infrared cabins. Worth knowing before you extrapolate.
It will not detoxify you. The liver and kidneys handle that, and the quantities of anything meaningful in sweat are tiny. Science Feedback’s review of the claim records the researchers’ own view, including Jari Laukkanen’s, that the evidence is not there.
It will not take weight off you either. What leaves in a session is water, and it comes back when you drink.
What it will reliably do is make you feel considerably better for a few hours, and that is a good enough reason on its own.