Synesthesia in spatial design: When architecture appeals to all the senses

In architecture and interior design , discussions focus on the appearance of spaces, how light and color harmonize, and how materials appeal to the sense of touch. However, the experience of a space is far more complex and not limited to the impressions of a single sense.

Rather, architecture has the ability to engage all the senses – from touch and smell to sound. This multisensory experience, also known as synesthesia, expands the ways in which spaces can be designed and experienced. It brings a deeper dimension to design that goes far beyond aesthetic aspects.

Synesthesia describes the phenomenon in which two or more senses merge, leading to a holistic perception. This multisensory design is often subtle yet profound in architecture. It creates spaces that are not only seen but also felt and experienced. Through the integration of visual, haptic, acoustic, and olfactory elements, the space becomes a stage where all the senses are in harmony.

The role of smell in interior design

In art and design, the sense of smell the most underestimated sense. While colors, shapes, and materials take center stage, scent also plays a crucial role in how a space is perceived. Odors have the remarkable ability to evoke memories and influence moods. A well-designed space utilizes this effect to enhance feelings of comfort, elegance, or energy.

In interior design, there is a quiet but effective movement towards multisensory design, where fragrances are strategically used to enhance the experience of a room. Exclusive fragrance diffusers are not only functional elements that create a pleasant scent, but also aesthetic objects that complement a room's design. These diffusers can be intentionally integrated into the overall concept, amplifying the visual and tactile experience through olfactory stimulation.

Acoustics and the perception of spaces

A room that is visually perfect can quickly lose its atmosphere if the acoustics are not right. Poor acoustics can make a room feel uncomfortable or even unpleasant, even if it is visually impressive. Therefore, it is important to integrate acoustic elements into the design that enhance the room not only visually but also acoustically.

In modern architecture, increasing emphasis is placed on sound design . Materials such as felt, carpets, or wood absorb sound and create an acoustic softness that calms the room. At the same time, sound can also be used deliberately to evoke specific emotions.

A room with hard surfaces and echoes feels more dynamic and energetic, while softer materials and muted sounds create a calming, intimate atmosphere. Playing with these acoustic effects enhances the synesthetic experience of a space.

Haptics: The touch of space and material

While the sense of smell often operates subtly and acoustics fill a space with understated warmth, the sense of touch is a direct, conscious experience in spatial design. The haptic quality of materials is one of the most immediate experiences architecture offers. It is the touch, the feeling of surfaces, that makes a space tangible. Smooth, cool surfaces like glass and marble convey a sense of elegance and precision, while warm, textured materials like wood or fabrics radiate security and comfort.

Interior design is not just about what you see, but also about what you feel. The tactile experience of a room shapes the first impression just as much as visual perception. Materials that are touched tell stories – be it the rough texture of a natural stone or the soft, supple feel of a high-quality leather armchair. This interplay of the senses brings an emotional depth to architecture that goes beyond mere functionality.

The interplay of the senses: The art of multisensory design

Synesthesia in spatial design means that no sense exists in isolation. Each sense complements and enhances the perception of the others. The interplay of visual, acoustic, haptic, and olfactory elements creates a spatial harmony that transforms the space into a complete, immersive experience.

One example of this is the integration of room fragrances into minimalist spaces. While the visual design remains understated and clean, room fragrances add another dimension, subtly transforming the space. The scent fills the room invisibly, yet brings with it an emotional resonance that doesn't disrupt the minimalist style but rather complements it. Through the art of room fragrance, the space is not only seen but also felt.

Contemporary architecture and design are exploring how spaces can offer a holistic experience. Synesthetic approaches challenge designers and architects to create spaces that engage all the senses and resonate with people on multiple levels. Spaces thus become more than mere locations; they become emotional experiences that linger in the memory.

The influence of art on multisensory design

Numerous examples of synesthetic approaches can also be found in art art history , have also influenced modern architecture. Installations that combine sound and image, or spaces made tangible through light and smell, are no longer uncommon.

Bridging the gap between art and architecture allows spaces to be designed not merely as functional places, but as places of emotion and inspiration. Through the conscious integration of art into spatial design, the space itself becomes a work of art, and the synesthetic experience a central component of the overall experience. Scents, sounds, and touch become the brushstrokes of architecture.

Synesthetic architecture as the future of spatial design

Synesthesia in spatial design opens up new perspectives that go beyond simply designing walls and floors. It's about creating spaces that engage all the senses and address the whole person. Through the skillful combination of visual, tactile, acoustic, and olfactory elements, spaces are created that are not only aesthetically pleasing but also emotionally resonant.

In a world that is increasingly digital and visually driven, synesthetic architecture brings about a return to the holistic experience of space. It combines art, design, and architecture in a way that puts people back at the center – not just as observers, but as part of the space itself.

Joachim Rodriguez y Romero

Owner and Managing Director of Kunstplaza . Publicist, editor, and passionate blogger in the fields of art, design, and creativity since 2011. Graduated with a degree in web design from university (2008). Further developed creative techniques through courses in freehand drawing, expressive painting, and theatre/acting. Profound knowledge of the art market gained through years of journalistic research and numerous collaborations with key players and institutions in the arts and culture sector.

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