Architecture Praxis • Monolithic Spatial Research

Form, Light &
Tactile Materiality

Atelier Kōzō explores the quiet resonance between raw cast concrete, charred Japanese timber, and diurnal daylight across private sanctuaries and civic landmarks.

Tokyo • 35.6762° NZurich • 47.3769° NCopenhagen • 55.6761° N
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Architectural Doctrine

The Architecture of Restraint

01 / TECTONICS

Honesty of Raw Mass

Uncompromising celebration of raw cast-in-place concrete, natural quartzite slabs, and charred Hinoki cypress without superficial cladding.

02 / ATMOSPHERE

Diurnal Choreography

Sculpting volumes where shadow is as tangible as structure. Light-wells capture seasonal shifts, translating solar angles into tactile geometry.

03 / PERMANENCE

Centennial Sustainability

Passivhaus certified thermal envelopes, post-tensioned mass-timber systems, and geothermal loops engineered for centuries of continuity.

Atelier Practice

Studio Leadership

Founded 2014 • Tokyo & Zurich

Kōzō Arata

Principal Architect • Tokyo

M.Arch from University of Tokyo, former senior architect at SANAA. Specializing in subterranean concrete sanctuaries, kinetic facades, and modern translations of traditional Sukiya joinery.

Astrid Møller

Lead Partner • Zurich / Copenhagen

Educated at ETH Zurich and Royal Danish Academy. Leading sustainable mass-timber civic interventions, alpine passive-house villas, and coastal ecological observatories.

Commissions & Collaborations

Initiate an Architectural Dialogue

We accept a select number of residential, commercial, and civic commissions annually to preserve uncompromising architectural rigor.