Luxury spa interior design

A spa is judged by its journey: by what happens between reception and the first treatment bed. That journey is design, not decoration.

We design spas for hotels, resorts, residential developments and private homes. The difference between a memorable spa and a merely correct one lies in the sequence: transitions of light, temperature, sound and materiality.

And in what is not visible: a properly sized plant room, materials that survive five years of humidity and chlorine, and maintenance that does not force a seasonal closure.

The guest sequence

Decompression on arrival

A transition stretch between hotel noise and spa silence: a change of light, material and acoustics within a few metres.

Changing rooms as part of the spa

Where the guest is most vulnerable. Usually the worst-resolved part of the facility and the most remembered.

An ordered wet circuit

Experience showers, sauna, hammam, contrast pool and relaxation area in an order that never asks the guest to backtrack.

Treatment rooms

Genuine acoustic separation between cabins, individual temperature control and concealed storage for product and linen.

What holds the experience up

Properly sized plant room

Filtration, dehumidification and hot water need their own floor area. Cutting it at design stage is paid for over the spa's whole life.

Wet-rated acoustics

Humidity-rated absorbers. Without them the circuit sounds like a municipal pool however expensive the marble.

Scene-based lighting

Low levels, no source visible from the bed, and a coherent colour temperature along the whole route.

Low-absorption materials

Sealed natural stone, glass mosaic, water-repellent microcement and 316 stainless for every fixing in the wet area.

Designing for the team that runs it

Separate staff circulation

Linen, product and waste should never cross the guest route.

Cleaning without closing

Access panels, gullies and routes that allow maintenance during off-peak hours.

Linen and product turnover

Storage sized by number of cabins and expected occupancy, not by leftover square metres.

Cost per treatment

The layout determines how many treatments per hour the team can deliver. That is a business figure, not a detail.

Indicative ranges

Interior design and art direction fees. Services and equipment are a separate package.

ScopeIndicative range
Concept and feasibility study3,000 – 9,000 €
Full hotel or resort spa design25,000 – 90,000 €
Private residential spa9,000 – 30,000 €
Site supervision and FF&E6 – 12 % of construction cost

Frequently asked questions

What is the minimum area for a hotel spa?

With two treatment rooms and a basic wet circuit, from roughly 150 m² of usable area plus plant room. Below that, part of the circuit has to go.

Do you work with the hotel's cosmetics brand?

Yes. The brand drives cabin furniture, storage and protocol, and should be defined before technical design.

How long do design and construction take?

Three to five months of design and six to twelve months on site depending on the scope of services.

Can a spa be refurbished in phases without closing the hotel?

Yes, by sequencing zones with site separation, though it adds roughly 10-20 % to construction cost.

Which materials do you always avoid in wet areas?

Standard plasterboard, 304 stainless, varnished timber and non-technical textiles.

Do you also design private residential spas?

Yes, it is a significant part of our residential work: sauna, hammam, indoor pool and recovery room.

A spa is remembered for its journey, not for its material schedule.

Tell us the brief, the available area and the guest profile, and we will tell you which circuit fits and which does not.