The operators, mapped

This venue added a sauna in Broadland, Norfolk — heat their guests can now book as part of the visit.

“I like the many sauna options for whatever mood you might be in.” Google review — Sydney Schwab

“Great sauna in the perfect location.” Google review — Matthew Amper-West

“The ice baths and wood fired hot tubs are beautiful!” Google review — Nikita B

“Great that there are new additions for wellness like sauna.” Google review — Katie White

“FANTASTIC SAUNA WITH GREAT VIEWS” their website — Alex

“This was my first time in the Island Sauna Shack; it was beautifully finished inside and the views were wonderful.” Google review — Nicola Turner

“This sauna experience is special, the views are breathtaking and the sauna itself couldn't be better quality.” Google review — marta VL

“The 10-acre lake is a magical place for wild swimming.” House and Garden

“Beautiful setting, lovely sauna and cool pools!” Google review — Eliza Talbot-Williams

“The sauna is super snazzy, comfy and a view of the sea to die for.” Google review — Abi Paine

“We all enjoyed a splendid lunch with new friends of homemade soup with bread made of flour from the mill concluding…” Google review — James

“Had a great weekend trip to sea palling and the pink sauna was a fantastic addition to the beach! It has a window so…” Google review — India Hayes

“Nice atmosphere, hot sauna and cold plunge pool!” Google review — under covername

“Really beautiful sauna, spotless and well maintained.” Google review — Amanda Wheeler

Built with Sauna Box and run independently — a working horsebox sauna in Northamptonshire.

“The sauna master was great, the sauna was clean and really hot and has a beautiful view. Can cool off in an outside…” Google review — Mark Gordon

Built with Sauna Box and run independently — a working horsebox sauna in Skipton, North Yorkshire.

“Fantastic event sauna.” Google review — Adrian Gurnett

“The sauna is like no other. Jumping in the Mersey is a highlight.” Google review — Philippa Roots

A sauna in Brixham, Devon, one of the operators heating Britain.

A sauna guests can book in Watford, Hertfordshire — one of the venues that added heat to what they already run.

“Fantastic facilities with a quiet countryside backdrop. Cold plunge will take your breath away.” Google review — James Nicholls

“Beautiful venue, yurt, sauna and relaxing natural vibes!” Google review — Fi Bee

“This is seriously the best sauna in the country.” Google review — Matthew Taylor

A sauna in Wymondham, Norfolk, one of the operators heating Britain.

A horsebox sauna guests can book in Fowey, Cornwall — one of the venues that added heat to what they already run.

Built with Sauna Box and run independently — a working horsebox sauna in North Norfolk, Norfolk.

A horsebox sauna in Aberchalder, Highland, one of the operators heating Britain.

One of the operators heating Britain — a working sauna in Skipton, North Yorkshire.

A horsebox sauna guests can book in Hertfordshire — one of the venues that added heat to what they already run.

This venue added a horsebox sauna in Cornwall — heat their guests can now book as part of the visit.

One of the operators heating Britain — a working sauna in Dunwich, Suffolk.

An independent container sauna business in London, built and launched with Sauna Box.

“Such a great sauna in a superb setting at the watersports centre. I can thoroughly recommend it. Its beautifully clean…” Google review — Clair Culligan

Built with Sauna Box and run independently — a working horsebox sauna in Hampshire.

“We have been a few times for a cold water swim, welcome event, sauna and ice bath.” Google review — Lorraine Brown

“A truly invigorating experience, the sauna was clean and well-maintained.” Google review - Mark T.

A working horsebox sauna in Suffolk, added by a venue giving guests one more reason to stay.

A working sauna in Leominster, Herefordshire — part of the map of operators heating Britain.