Dune 250 Deluxe 2-4 Person Outdoor Prebuilt Cube Sauna

The Dune 250 Deluxe sauna is designed for people who want consistent wellness heat therapy without turning the garden into a building project. Because it arrives assembled, installation is closer to positioning a garden room than constructing a traditional sauna. Once placed on a suitable base and connected to your chosen heater, it is ready for regular use.

The insulated wall system makes a noticeable difference during colder evenings. Heat builds steadily and holds well, which means shorter warm up times and less energy waste over the course of the week. The two tier bench layout allows you to choose between a gentler lower heat or a more intense upper level, which is useful when different people prefer different temperatures.

The full glass front changes how the space feels. Instead of a closed timber box, the sauna feels connected to the garden, whether it is positioned beside a lawn, a deck or a cold plunge area. It works particularly well as part of a simple hot and cold routine where you move between fresh air and dry heat.

For everyday use it is straightforward. Step in after work, let the heater bring the room up to temperature, sit back against the backrest and allow the heat to build gradually. No complicated controls, no unnecessary extras, just a reliable sauna that fits into a normal weekly routine.

Model
Dune 250 Deluxe 2 to 4 person outdoor cube pre built sauna

Capacity
Suitable for two to four users

External Dimensions
2545 mm depth, 2100 mm width, 2290 mm height

Internal Dimensions
1900 mm depth x 1750 mm width x 2000 mm height

Internal Volume / Floor Area
3.33 m²

Layout
Single room cube sauna

Wall Construction
Multi layer wall and roof system with mineral wool insulation, OSB panels, ventilation gaps and aluminium foil lining

Bench Configuration
Two tier bench configuration with backrests

Door
Full height bronze tinted tempered glass front panel

Glazing
Full height bronze tinted tempered glass front panel

Roof Construction
Insulated roof structure with bitumen shingle outer layer

Ventilation
Integrated ventilation system for controlled airflow

Lighting
Additional lighting options available

Heater Compatibility
Suitable for electric or wood fired sauna heaters

Base Requirements
Requires a level load bearing surface such as concrete, paving or ground screw system

Delivery Format
Factory assembled for crane or forklift placement

Weight
Approximately 1000 kg

Use Environment
Outdoor garden installation

Enjoy these health benefits at home

Stable Heat Retention
Insulated wall structure maintains consistent temperature for deeper muscle relaxation.

Tiered Heat Exposure
Two level benches allow gradual acclimatisation to higher temperatures.

Visual Openness
Full glass frontage reduces enclosed feeling and supports longer sessions.

Efficient Warm Up Cycle
Compact internal volume reaches working temperature quickly for regular use.

Post Session Cooling Flow
Direct exit to outdoor air encourages effective heat to cold recovery routines.

Professional installation available

Electrical Requirements

A suitable electrical supply must be planned in advance in line with the selected heater output and control system. Cable routes should be prepared before delivery so no drilling or modification is required once the pre built cabin is in position.

Qualified Electrical Connection

All electrical wiring, heater connection and commissioning must be completed by a qualified electrician in accordance with current regulations. This ensures safe load handling, correct heater performance and full warranty compliance.

Base Preparation

Installation requires a level, load bearing base such as concrete, paving or a suitably reinforced subframe. The surface must be flat and capable of supporting a static weight of approximately 1000 kg plus user load. An inadequate base may affect door alignment, glazing performance and long term structural stability.

Access and Delivery

Delivered as a fully assembled unit on a kerbside pallet. The cabin typically weighs around 1000 kg. Clear access with sufficient width, height and turning space must be confirmed in advance. Movement into position may require pallet truck access on solid ground, machinery such as a forklift or hiab, or professional placement depending on site conditions.

Positioning and Placement

The sauna is lifted into its final location as a complete structure. Allowance must be made for safe lifting points, overhead clearance and ground protection during placement. A minimum perimeter gap should be maintained for ventilation, drainage and future maintenance access.

Heater Position and Ventilation

Adequate safety clearances must be maintained around the heater in accordance with manufacturer guidelines. All ventilation openings must remain unobstructed to support correct airflow, efficient heat circulation and safe operation.

Delivery and collection options

Standard Delivery

Delivery to mainland UK is completely free, in stock items dispatch within 5 days. Contact us to arrange delivery dates that work for you. Additional charges apply to locations outside of UK mainland.

Please inspect your delivery within 24 hours of arrival for any damage that may have occurred during transit, so we can arrange a replacement as quickly as possible.

Your sauna is delivered kerbside to the nearest accessible point at your property, such as a driveway or pavement. Each delivery arrives clearly organised, well-protected and with full installation instructions included for a smooth and straightforward self-install.

Local Collection

You are welcome to collect your order from our warehouse in Leicester. Please note that the components are long and heavy, so a large van or flatbed truck will be required.

If you would like to arrange collection, kindly contact us to schedule a suitable date and time.

Returns and Refunds

You can return an order within 14 days of receiving it.

Please allow up to 14 days from sending the item to receive your refund.

How to Return Your Order

We'll collect the order from you. Collections are free if your order is damaged or faulty. If not, we charge a collection fee. To arrange a collection, please contact us.

Return your order for free by dropping it off at our Leicester warehouse, please contact us first.

Caring for your sauna

Exterior Protection and Maintenance

Protect the exterior of your sauna with a fully breathable wood paint during or immediately after assembly. We recommend a water based product such as Sadolin Superdec. Apply two to three coats for full coverage, then refresh every few years. This helps protect the timber from weathering, keeps the finish looking clean and supports long term durability in outdoor conditions.

Interior Maintenance

The internal walls, benches and backrests are factory treated for protection. Clean regularly with a soft damp cloth and allow the interior to dry fully after use by leaving the door open. We recommend applying a light coat of mineral oil periodically to benches and backrests to maintain the timber, reduce moisture absorption and keep the surface comfortable and hygienic.

Ventilation and Drying

After each session, allow fresh air to circulate by opening the door and any adjustable vents. Proper drying helps prevent moisture build up, supports timber stability and keeps the sauna environment fresh for the next use.

Heater Care and Safe Operation

Inspect the heater regularly to ensure stones are correctly stacked and air can circulate freely. Do not overfill the stone basket and only use approved sauna stones. Remove any broken or crumbling stones during routine checks. Keep heater safety clearances free from towels or combustible materials and never operate the heater without stones in place.

Electrical and Control Checks

Ensure all electrical connections are installed by a qualified professional and remain dry and protected. Periodically check the control unit for correct operation and avoid exposing it to excess moisture or direct water contact.

General Use Guidance

Use only clean water on sauna stones when producing steam and avoid additives unless approved by the heater manufacturer. Do not dry clothing inside the sauna as this restricts airflow and increases fire risk.

Seasonal Care

If the sauna will not be used for extended periods, ensure the interior is fully dry, clean all surfaces and disconnect power to the heater where appropriate.

Our warranty explained

Warranty

All sauna cabins and outdoor wellness structures include a 2 year residential warranty covering manufacturing defects in structural timber and factory supplied hardware. This applies only where the exterior timber has been treated and maintained as recommended. For rental, hospitality, spa or any revenue generating use, a 1 year commercial warranty applies.

The warranty covers defects in materials and workmanship under normal operating conditions.

Heaters, electrical components and third party accessories are covered by their respective manufacturers.

Proof of purchase, confirmation of installation on a suitable level base and evidence of timber treatment may be required to support a claim.

What Is Covered

Manufacturing or construction defects in structural timber and factory supplied components.

Replacement of missing, damaged or faulty parts identified at delivery or during correct installation.

Technical support from our team to assess issues and coordinate replacement parts or specialist assistance where required.

What Is Not Covered

Natural timber movement, colour variation, surface cracking, resin release and normal weathering.

Issues caused by incorrect installation, inadequate base preparation or poor ventilation.

Misuse, failure to follow heater safety clearances or non compliant electrical installation.

Exposure to standing water, ground contact outside designated support points or unauthorised structural modification.

Installation and Use Requirements

The sauna must be installed on a level, load bearing base with adequate ventilation.

The exterior timber must be treated after installation and re treated periodically.

All electrical wiring and heater commissioning must be completed by a qualified electrician and in line with safety clearances.

The sauna is intended for normal residential use unless a commercial agreement is in place.

Maintaining Your Cover

Failure to meet installation, electrical or clearance requirements may invalidate the warranty.

Proof of purchase and installation details must be retained for any future claim.