Garden sauna · score 8.2 out of 10

Steam & Oak Cube Sauna 2m

Name: Steam & Oak Cube Sauna 2m
Brand: Steam & Oak
Price: 7000.00 GBP
Availability: InStock

£7,000 from Steam & Oak, about £7,550 ready to use. Wood-fired: no electrics.

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Photo: Steam & Oak

£7,000 at Steam & Oak

Check price at Steam & Oak

That price is for the , Harvia M3, wood-fired version. 10 versions, £6,500 to £7,750: see them all.

PowerNo electrics
HeaterIncluded
People5
Ready to use£7,550
Total over 5 years£9,326

The short answer

Ranked 4 of 98 garden saunas on our score.

Good for: 5 people, and a garden with no power: it is wood-fired.

Watch out for: The warranty isn't published.

People5
HeaterWood stove
Size W × D2.35 × 3 × 2.4 m
Power neededNo electrics
Wood or
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 outside is 2.35 × 3 × 2.4 m (7.0 m² of ground). Leave room around it to build and treat the timber. At 2.40 m tall it is within the 2.5 m limit for outbuildings near a boundary. 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 4.4 years.

Do I have to build it myself?

Made to order; delivered assembled or in sections.

Will it last?

The warranty isn't published. Built from or with 44 mm walls. Outdoors, treat the outside once a year.

What it really costs

Price	£7,000
Heater	£0
Electrics: no electrics (wood-fired)	£0
Base Get quotes for a level base	£550
Ready to use	£7,550
Running, a year (2 sessions a week)	£205
Upkeep, a year	£150
Total over 5 years	£9,326

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 4.4 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
Spruce, No heater, cabin only	£6,500	£8,700	7.4
Spruce, Harvia M3, wood-fired	£7,000	£7,550	8.2
Spruce, Harvia M3 SL, wood-fired, through-wall feed	£7,000	£7,550	8.2
Spruce, Harvia Cilindro PC90 9kW, electric	£7,000	£8,700	7.7
Spruce, Harvia Cilindro PC90XW 9kW WiFi, electric	£7,000	£8,700	7.7
Thermowood, No heater, cabin only	£7,250	£9,450	7.4
Thermowood, Harvia M3, wood-fired	£7,750	£8,300	8.2
Thermowood, Harvia M3 SL, wood-fired, through-wall feed	£7,750	£8,300	8.2
Thermowood, Harvia Cilindro PC90 9kW, electric	£7,750	£9,450	7.6
Thermowood, Harvia Cilindro PC90XW 9kW WiFi, electric	£7,750	£9,450	7.6

The detail

Specifications

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

Type	Garden sauna, cube
People	5
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). Steam & Oak budgets £800 to £1,500 for a and sign-off. The wood-fired M3 needs no electrics.
Outside size (W × D × H)	2.35 × 3 × 2.4 m
Wood	or
Wall thickness	44 mm
Top temperature	not published
Warranty	not published
Delivery	Made to order; delivered assembled or in sections
Installation	not published
Weight	not published

How it scores

Ready-to-use cost per seat (25%)	8.3
Easy to power and install (20%)	8.8
Build and materials (20%)	9.4
Warranty (20%)	5.8
Specs the seller publishes (15%)	9.0
Score out of 10	8.2