Garden sauna · score 7.5 out of 10

Steam & Oak Holvi 300 Thermowood Barrel

Name: Steam & Oak Holvi 300 Thermowood Barrel
Brand: Steam & Oak
Price: 9515.00 GBP
Availability: InStock

£9,515 from Steam & Oak, about £10,065 ready to use. Wood-fired: no electrics.

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Photo: Steam & Oak

£9,515 at Steam & Oak

Check price at Steam & Oak

That price is for the With Harvia M3 wood fired version. 5 versions, £8,745 to £10,945: see them all.

PowerNo electrics
HeaterIncluded
Peoplenot published
Ready to use£10,065
Total over 5 years£11,842

The short answer

Ranked 44 of 98 garden saunas on our score.

Good for: A garden with no power: it is wood-fired.

Watch out for: The warranty isn't published.

PeopleNot published
HeaterWood stove
Size W × DNot published
Power neededNo electrics
Wood
WarrantyNot published

Questions people ask before buying this one

Will it run off a normal plug?

There are no electrics: it is wood-fired. Sauna electrics.

Is the heater included?

Yes, it is in the price.

Will it fit, and do I need planning permission?

The seller doesn't publish the outside size. Ask before you order, and check the height if it will stand within 2 m of a fence. Planning rules.

What will it cost to run?

About £1.97 of electricity a session and £205 a year at 2 sessions a week, plus about £150 a year of upkeep. Change the numbers in the calculator below. If 2 of you would otherwise pay £10 each for community sauna sessions, it costs about the same as those sessions after 5.8 years.

Do I have to build it myself?

The seller doesn't say how it arrives. Ask whether it comes assembled, and whether they install.

Will it last?

The warranty isn't published. Built from . Outdoors, treat the outside once a year.

What it really costs

Price	£9,515
Heater	£0
Electrics: no electrics (wood-fired)	£0
Base Get quotes for a level base	£550
Ready to use	£10,065
Running, a year (2 sessions a week)	£205
Upkeep, a year	£150
Total over 5 years	£11,842

About £1.97 of electricity a session (power not published, so we assume 6 ). If 2 of you would otherwise pay £10 each for community sauna sessions, it costs about the same as those sessions after 5.8 years.

Change the numbers

Sessions a week People each session Electrician's quote (£) Base (£) Price per kWh (p) Public sauna, a person (£)

Versions and prices

Every price here is the price Steam & Oak lists for that exact version, read from the seller's own product data. Prices change often; check the seller before buying.

Version	Price	Ready to use	Score
Shell only	£8,745	£10,545	6.8
With Harvia M3 wood fired	£9,515	£10,065	7.5
With Harvia Cilindro PC90 9kW	£9,545	£10,545	7.4
With Harvia Cilindro PC90XW 9kW WiFi (incl. door sensor)	£10,445	£11,445	7.4
With Harvia Legend PO110XW 10.8kW WiFi (incl. door sensor)	£10,945	£11,945	7.4

Other versions Steam & Oak sells

Listed by the seller under the same product. Prices from the seller's own product data.

Version	Price	Why it isn't in our comparison
Gas, Botnia 81, no safety pack	£10,840	Gas heater: we don't compare gas running costs
Gas, Aurora 81, no safety pack	£11,040	Gas heater: we don't compare gas running costs
Gas, Botnia 81 with safety pack	£11,140	Gas heater: we don't compare gas running costs
Gas, Aurora 81 with safety pack	£11,340	Gas heater: we don't compare gas running costs

The detail

Specifications

From the seller's pages. "Not published" means we couldn't find it.

Type	Garden sauna, barrel
People	not published
Heating	Wood-fired
Heater	Harvia M3 wood fired (power not published: we assume 6 )
Heater in the price?	Yes
Power needed	No electrics (wood-fired)
Outside size (W × D × H)	not published
Wood
Wall thickness	not published
Top temperature	not published
Warranty	not published
Delivery	not published
Installation	not published
Weight	not published