£15,000-£20,000

Investment in this tier represents the pinnacle of home wellness. Unlike standard models, these ultra-premium saunas are defined by:

• Superior Scandinavian Craftsmanship: Utilising high-density, slow-grown timbers like Thermowood that are engineered to withstand extreme climates while providing a refined, modern aesthetic.
• Large-Scale Capacity: These units are typically designed for 4 to 6 people, featuring expansive internal volumes and dual-level seating for a true social spa experience.
• Architectural Glass: Large, floor-to-ceiling panoramic glass fronts that dissolve the boundary between your garden and the sauna interior, allowing for an immersive "nature-first" recovery session.

Yes. Saunas in this range are essentially bespoke garden buildings. They are constructed with advanced weatherproofing, including high-grade bitumen roofing and timber that has been thermally modified to be dimensionally stable. This means the wood will not warp or rot in the damp British air, maintaining its structural integrity and aesthetic appeal for decades.

Due to the increased internal volume and commercial-grade heaters (often 9kW to 12kW+), these units require a robust electrical setup:

• Dedicated Supply: These systems require a dedicated 32-Amp or 40-Amp supply hardwired to a rotary isolator.
• Professional Commissioning: To ensure your building insurance and manufacturer warranty remain valid, all final electrical work must be certified by a qualified Part P electrician.
  
  

Regular sessions in a high-thermal-mass sauna are backed by science to support:

• Cardiovascular Health: Mimicking the effects of moderate exercise to improve heart health and circulation.
• Immune Support: Periodic heat exposure helps strengthen natural immune responses.
• Muscle & Joint Recovery: Deep, consistent heat is vital for athletes looking to reduce inflammation and accelerate muscle repair after high-intensity training.

Because an ultra-premium sauna of this size (including occupants) can weigh between 800kg and 1,500kg, a standard patio may not suffice.

• Foundation Requirements: We strictly recommend a reinforced concrete pad or a structural steel-frame decking system. A level foundation is critical to ensure the panoramic glass doors align perfectly and the thermal seals remain airtight.

Given the weight of the timber panels and the precision required to install large-scale glass fronts, professional assembly is highly recommended.

• Our Service: We offer a specialist structural assembly service. Our team handles the complex physical build, ensuring the structure is weather-sealed and the internal tiered seating is perfectly fitted.
• Get a Quote: You can request a quote by clicking here.
• Note: Our service covers the physical structure only. You will need to hire a local electrician to connect the heater and control systems to your mains supply.
  
  

To protect your investment and keep the Scandinavian timber looking pristine:

• Internal Care: Always use towels on the benches to prevent perspiration from marking the wood. Use the integrated ventilation system to dry the cabin thoroughly after every use.
• External Care: For outdoor models, we recommend a light application of UV-resistant wood oil once a year to prevent the natural timber from silvering and to maintain its rich, warm tone.