Outdoor Sauna

Yakia Ultima L

From £14,995

The Yakia Ultima L represents the flagship of the Yakia outdoor sauna range.

Combining contemporary architectural design with exceptional thermal performance, it's designed for those who want a premium outdoor wellness space that feels every bit as impressive as it looks.

Capacity

Up to 4 People

Dimensions

225 x 230 x 255 cm

Construction

Alder Wood Lined Walls

Heating

Electric

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Materials & Construction

Built for Outdoor Living

Factory-built using thermally treated timber and premium materials throughout, the Ultima L is engineered for lasting performance in the British climate.

Multi-layer insulated walls, floor and roof help retain heat efficiently, while expansive double-glazed panels create a bright, welcoming interior that connects seamlessly with the outdoors.

Heating Options

9kW Electric Wall-mounted Heater

Main material: Steel
Net weight (kg): 12.4
H x W x D: 650 x 410 x 290 mm
Installation location: Wall

The Specs

Technical Specifications

Capacity	4 Person
Width	225 cm
Depth	230 cm
Height	255 cm
Walls	Alder Wood with 20mm PIR Heat Insulator & 9mm Moisture-resistant OSB board
Floor	Thermowood Floor, 50mm XPS Carbon & Waterproof Underlay Matting
Roof	hermowood Roof, 0.5mm Clickfals Grand Line Pro Series, 12mm Moisture-resistant OSB Board
Door	8mm tempered bronze glass
Window	6mm tempered bronze glass
Lighting	LED Lighting to Benches and Backrest
Heater Options	Electric only

Warranty & Aftercare

All Yakia saunas are supplied with manufacturer warranty coverage when installed and maintained in accordance with the manufacturer's guidelines.

For full warranty terms and conditions please refer to the downloadable warranty documentation.

Downloadable Resources

Product Brochure

Download the Yakia outdoor sauna brochure.

Download

Product Specification Sheet

Download the Ultima L specification sheet.

Download

Pre-Delivery Guide

Download the Hot Tubs Oxfordshire pre-delivery guide.

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Warranty Information

Download full manufacturer warranty documentation.

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Why Buy From Hot Tubs Oxfordshire?

Award-Winning Expertise, Lifelong Support

Established wellness retailer
BISHTA member
Hundreds of verified customer reviews
Dedicated showroom experience
Installation guidance and aftercare support

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FAQs

How many people can use the Ultima L?

The Ultima L is designed to accommodate up to four people.
What heating options are available?

The Ultima L is specified with an electric heater. There is no wood-burning stove option.
What base is required?

A suitable level base is required. Our team can advise on the most appropriate option for your installation.
Can I view a sauna before purchasing?

Yes. We recommend visiting our showroom to discuss the available options and see selected products in person.
Does the Ultima L require planning permission?

Requirements vary depending on your property and installation. Our team can help guide you through the considerations.