How will you use your sauna?
Start with the experience you want. Will it usually be used by one or two people, or should it comfortably accommodate a family or friends? The answer will influence the sauna’s internal dimensions, bench arrangement and the space needed around it.
Consider how you’ll move between the house and sauna, especially in colder or wet weather. A short, well-lit path and a place to leave shoes or towels can make regular use more convenient. You may also want room nearby for cooling down or sitting outdoors between sessions.
Find a suitable position
A sauna needs a stable, suitable base, but its position in the garden matters just as much. Look at privacy, access, views and how the building will sit alongside the house, boundary and existing landscaping. Think about delivery and installation access too: a secluded location may be appealing, but it still needs to be practical to reach.
Check the ground conditions and drainage before choosing a site. Water should not collect around the building, and the base should be appropriate for the sauna’s design and weight. A supplier or installer can advise on the requirements for a particular model.
Choose the right heating system
Many garden saunas use either an electric heater or a wood-burning stove. Each has different practical requirements.
An electric heater offers straightforward control, but it needs an appropriate electrical supply and professional installation. A wood-burning stove creates a different atmosphere, but requires suitable ventilation, a correctly installed flue and careful attention to fire safety.
The right choice depends on your preferences, the site and the installation requirements. Discuss the options before finalising the sauna’s position, as the heater can affect clearances, services and the surrounding area.
Pay attention to ventilation and layout
Good ventilation helps air circulate through the sauna and contributes to a more comfortable session. Its design should work with the heater and the sauna’s layout, rather than being treated as an afterthought.
Inside, consider bench height, seating space and how easily people can enter and move around. A simple layout can be more comfortable than adding extra features that reduce usable space. Lighting should also be suitable for the environment and installed according to relevant safety requirements.
Choose materials for sauna conditions
Sauna interiors are exposed to repeated heat and changes in moisture. Timber selection, construction quality and detailing all matter. Surfaces that people sit or lean against should be comfortable to touch when warm, while the building as a whole should be designed to handle its intended use and local conditions.
Ask how the sauna is constructed, what maintenance is recommended and whether the exterior finish needs periodic attention. Clear care guidance can help you keep the building in good condition.
Plan for safety and upkeep
Follow the manufacturer’s instructions for operating and maintaining the heater. Keep the required clearances around it, avoid placing items where they could obstruct ventilation, and make sure anyone using the sauna understands the controls.
Before installation, check whether planning permission, building regulations or other permissions may apply. Requirements depend on the property, the building and its location, so confirm them with the relevant local authority and qualified professionals.
A garden sauna is most rewarding when it feels easy and comfortable to use. By considering the site, heating system, interior layout and ongoing care together, you can make a more informed choice and create a sauna that fits naturally into your garden.
Ambassador Projects can help you explore the options for a bespoke garden sauna, from choosing a design to considering how it will work in your garden. If you’re planning a sauna and would like advice on the next steps, get in touch with the team to discuss your ideas.