Contrast Therapy & Wellness Design
Aqua Spazio is a London design-and-build studio for luxury swimming pools, saunas, steam rooms, cold plunge pools and complete hot–cold contrast therapy suites. We bring more than 25 years of experience in pool engineering, sauna design and wellness MEP services to private homes, hotels, spas, gyms, and longevity and recovery clinics across London and the UK. Every project is designed and delivered by one specialist team, from first concept to final commissioning.

Our Expertise
We design and build indoor and outdoor swimming pools, spa pools and hydrotherapy pools in reinforced concrete, with fully tanked waterproofing, energy-efficient filtration and heating, and water treatment designed to PWTAG guidance. From basement pools in London homes to commercial pools for hotels and health clubs, every pool is calculated for turnover, bather load and long-term running costs.
We also build Finnish Saunas, Infrared Saunas & Bio Saunas
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Finnish saunas: traditional saunas in Nordic spruce, thermo-aspen, hemlock or cedar. Each heater is sized to the cabin volume and glazing, and the ventilation is designed for soft, even löyly at 80–100°C.
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Infrared saunas: full-spectrum infrared cabins at a gentle 45–60°C, ideal for homes and recovery studios.
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Bio saunas: soft-heat saunas at 50–60°C with gentle humidity and herbal infusions, suitable for longer, more relaxed sessions.
Our state of the art Steam Rooms are built bespoke tiled steam rooms on insulated, fully tanked substrates with sloped ceilings, heated benches, aroma dosing and starlight or chromotherapy lighting. Steam generators are sized to room volume and wall construction, and auto-flush, drainage and extract are designed in from the start.
For our more discerning clients and for commercial wellness market we install comprehensive wellness facilities comprising of but not limited to
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Cold plunge pools: built-in and freestanding plunge pools held at 4–10°C. Each has a correctly sized chiller, short-turnover filtration, UV disinfection and insulated construction, so it can take repeated use in a busy hot–cold circuit.
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Snow rooms: insulated cold rooms at −5°C to −10°C with snow generators that make real snow, plus drained anti-slip floors and automatic defrost. They're a striking cold experience for hotel spas and wellness centres.
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Halotherapy Salt Rooms that combine backlit Himalayan salt walls with correctly sized halogenerators with dry, controlled air and dedicated ventilation. That keeps the salt where it belongs. Fittings are corrosion-resistant throughout, for a calm space that lasts.
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Certified Red Light Therapy Rooms and near-infrared light therapy pods, beds and panel walls, chosen on verified wavelength and irradiance data. They are integrated into recovery rooms and wellness suites with dedicated power, ventilation and wipe-clean finishes.
The Hot–Cold Circuits - the basis of our Contrast Therapy Suites
Contrast therapy works best as a designed journey: heat, then cold, then rest. We plan the full hot–cold circuit as one space, sauna to plunge pool, steam room to snow room, then on to salt room and relaxation lounge. We also integrate the dehumidification, ventilation, drainage, electrics and plant behind it, so the whole suite runs as one balanced system.
Who We Design For
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Private homes: home contrast therapy rooms, garden saunas and plunge pools, and basement pool and spa suites. They're designed economically and installed quickly.
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Hotels and hospitality: commercial hotel spa and wellness suites with high-performance equipment, exquisite finishes and designs built for guest throughput.
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Longevity and recovery clinics, gyms and health clubs: heavy-use thermal facilities with robust engineering, lower running costs, and water treatment and safety regimes built for daily public use.
Why Aqua Spazio
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One team, one point of accountability: design, engineering, installation and commissioning, all in-house.
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Technical depth: pool hydraulics, sauna heater sizing, steam and refrigeration plant, and pool hall dehumidification, all specified with authority.
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European specialist equipment: heaters, steam generators, chillers and filtration from established manufacturers.
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Aftercare as standard: commissioning, client handover and a 12-month support period.
Frequently Asked Questions
Do you design complete contrast therapy suites or individual facilities?
Both. We can add a single sauna or cold plunge pool, or design a complete wellness suite with pool, thermal rooms and cold experiences.
Do you work on commercial wellness projects?
Yes. We design commercial saunas, steam rooms, plunge pools and thermal suites for hotels, spas, gyms and clinics. They're engineered for heavy daily use and ongoing running-cost control.
Which areas do you cover?
We're based in London and work across the UK.
Can you work with my architect or interior designer?
Yes. We regularly act as the thermal and aquatic specialist alongside architects, interior designers and main contractors.









