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Price: 10999.00 GBP
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Holl's Onyxia Cube — 4-Person ThermoWood Outdoor Sauna (Made in Europe)
The Onyxia Cube is the architectural one: a rounded-square cabin of 42mm ThermoWood® Finnish pine, black outside, honey-toned inside, built in Europe and glazed however you want it — a full glass façade to face the view, or a solid wall for total seclusion. Four can sit; two can lie flat on the lounger configuration and watch the sky. ThermoWood®: durability by heat, not chemicals ThermoWood is Finnish pine thermally modified at high temperature — nothing added, everything stabilised. The result resists weather, insects and warping for years of British seasons, and ages to a naturally deep tone. Inside, spacious abachi benches stay comfortable at full temperature, with LED lighting for evening sessions. Choose your heater The Onyxia Cube is supplied without a heater so you can spec it your way — we recommend an electric stove from 4.5kW (see our sauna heaters range; we'll help you match size to cabin volume before you order). Specification Capacity 4 seated, or 2 reclining loungers Dimensions (W × D × H) 210 × 160 × 220 cm (floor space ~153 × 142 cm) Wood ThermoWood® Finnish pine, 42mm — Made in Europe Benches Abachi, two levels, L-shaped Glazing Front or rear glass façade, or solid — configurable Heater Electric, from 4.5kW — not included Warranty 4 years wood · 2 years electrical components Power and installation Plan a firm level base and a dedicated outdoor-rated circuit for your chosen heater. Two-person assembly; ask us about heater pairing and we'll spec the right kW for the cabin.
Product information updated: 03 Nov 2026
Disclaimer: Product information, including title, description, and images, is sourced/provided by our affiliate partner: Steam & Oak.
Disclaimer: Some of the links on this website are affiliate links, meaning we may earn a commission if you click through and make a purchase. This comes at no additional cost to you.
By clicking the button above, you acknowledge that you will be redirected to a third-party website and agree to their terms and conditions.
Product information, including title, description, and images, is sourced/provided by our affiliate partner: Steam & Oak.
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Refer a friend and earn 0.05 CEC when they click the link, plus an additional 1.00 CEC if they register. Share this Product and boost your earnings together!
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