Our Saunas
Why Heartwood?

Discover our latest commissions -

A bespoke Onnen sauna, beautifully situated beside a natural swimming pool →

A modern, minilmalist black timber-framed sauna with glass wall is situated on a grassy slope in a rural location in Wales above a rocky stream in a deciduous forested area.
Three women in swimsuits sitting in a naturally-lit wood-cladded outdoor sauna near a large window, relaxing and gazing out of the window thoughtfully.
An exterior photo of a modern and minimalist outdoor sauna complex with black and natural wood exterior, large glass sliding doors, set in a wooded area with a deck, hot tubs and surrounding greenery.
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Close-up black and white photo of a carpenter wearing a black shirt and jeans, equipped with a tool belt carrying various tools and equipment working on the external cladding of an outdoor sauna in a workshop.
Aerial view of a landscaped backyard with a lawn, garden beds filled with flowers and bushes, a curved wooden deck with two black tin-roofed saunas, a small circular hot tub, and a stone pathway.

“The Rolls Royce of outdoor saunas.”

- K J, Client

A black bucket with a wooden handle and a wooden ladle inside is placed on a wooden sauna bench against a black timber-cladded wall.
Person's hand and arm, applying black stain or paint to wooden planks using a brush, wearing gloves and a dark long-sleeved shirt.
An outdoor wooden sauna with black and natural wood panels, a glass door, and a rain shower installed on the exterior wall, set in a grassy area with trees in the background.
Outdoor private shower adjacent to a black outdoor sauna with black fixtures, a shower head, and a black shower handle on a wooden wall, adjacent to a rocky landscape and garden.
Interior sauna space with wooden paneling and bench seating, featuring horizontally aligned dark and light wood planks.
Black and white image with a black Land Rover SUV parked outside a modern workshop building in Mid Wales with a sign that says 'Heartwood Saunas,' with hills and trees in the background.
Signature Saunas
A modern outdoor sauna with outdoor shower made of dark and natural wood panels, surrounded by lush greenery and flowering plants.
Bespoke Saunas
A wooden shingle-cladded sauna with large glass window, surrounded by a lush garden with colourful flowers, on a sunny day.
Commercial Saunas
A row of small beach huts and two sauna buildings in the style of beach huts, with the nearest one featuring a large window reflecting the ocean and sky, surrounded by trees in the background.