We design, restore, and furnish spaces rooted in centuries of Japanese craft — tatami rooms that breathe, shōji screens that filter light, and wooden houses shaped by the philosophy of ma.
Crystal Dream Shift was founded by architects and craftspeople who believe that space is not built — it is cultivated. Every room we create or restore draws on the Japanese concept of ma (間): the meaningful emptiness between elements that gives a structure its soul.
From a single tatami alcove to a full traditional minka farmhouse, our work honours the proportions, materials, and silence that define authentic Japanese living.
Every joint, screen, and threshold is executed by trained shokunin artisans who have apprenticed for years in traditional woodworking, plastering, and paper-hanging techniques passed down through generations.
We design not just what you see, but what you feel when you step inside. Light angles, ceiling heights, and the ratio of solid to void are calibrated so every room carries the quiet confidence of wabi-sabi.
We source hinoki cypress, hand-kneaded washi paper, locally-fired roof tiles, and natural clay plaster. Our material palette is chosen to age beautifully and remain repairable across decades of use.
Custom sliding and hinged shōji panels designed in kumiko lattice patterns ranging from classic kōshi to intricate angled asa-no-ha motifs. Each frame is joined without nails using traditional mortise-and-tenon joinery in kiln-dried cedar or cypress.
Full tatami room commissions including subfloor levelling, toko-no-ma alcove construction, and selection of rush-woven tatami mats in standard Kyō or Nagoya modules. We advise on room proportions to ensure harmony with adjacent corridors.
We design and oversee the construction of kirizuma gabled, yosemune hipped, and sweeping irimoya hip-and-gable rooflines. Structural detailing follows classical daiku carpentry principles for load distribution and seasonal movement.
Room sequencing, engawa veranda integration, and threshold design for new-build and renovation projects. We work from hand-drawn elevations to produce spaces where inside and outside speak to each other through framed garden views and diffused natural light.
Structural assessment and full restoration of historic farmhouses and merchant-town townhouses. We document original joinery, source period-appropriate timber from certified sustainable forests, and coordinate with local preservation authorities where heritage listing applies.
Design and fabrication of sliding opaque fusuma panels in hand-applied washi or brocade fabric, with painted ink-wash motifs available from our affiliated studio artists. Panels are fitted with hand-cast bronze or lacquered wooden hikite pulls.
We coordinate with niwa-shi garden designers to create seamless transitions from tsukubai stepping stones through the threshold into the interior. The resulting visual corridor connects planted stone, raked gravel, and the grain of the interior floor in one continuous narrative.
The toko-no-ma is the spiritual focal point of any Japanese reception room. We design the raised platform, tokobashira pillar selection, recessed shelf, and scrollwork integration so that the alcove anchors the entire room's compositional hierarchy.
Our residential projects begin with an extended site visit where we measure sun angles at each season, map wind corridors, and identify the primary view axis. The structural grid that follows is not arbitrary — it is derived from the site's own geometry and orientation.
We produce traditional working drawings alongside digital BIM models, enabling both local carpenters and structural engineers to work from the same resolved set. The result is a house that feels as though it grew from the land rather than being placed upon it.
Restoration projects require us to think archaeologically as well as architecturally. We catalogue every element — examining joint markings left by original carpenters, testing soil profiles beneath the foundation stones, and cross-referencing with regional historical surveys.
Replacement timber is aged in controlled storage for a minimum of two years before installation. We resist the temptation to "improve" original proportions and instead focus on structural consolidation that leaves the building's character intact and its ageing natural.
Not every project is a full house. Many of our most meaningful commissions are single rooms — a meditation tatami suite within a modern apartment, a tea room added to a suburban property, a shōji partition inserted into an open-plan loft. In these projects the constraint sharpens the design.
We begin with a detailed brief exploring how the client uses the space, the light conditions across the day, and the acoustic quality they seek. The design is then developed through a series of 1:20 scale physical models before any material is cut.
A selection from our portfolio of residential, hospitality, and heritage projects across Japan and internationally.
Kyoto — Private Residence
Kanazawa — Heritage Restoration
Hakone — Boutique Ryokan
Every Crystal Dream Shift project follows a structured sequence that balances rigour with responsiveness to the site and client.
We visit the site across multiple times of day and season, recording light, sound, wind, and topographic character before drawing a single line.
An extended conversation with the client to understand not just functional requirements but the quality of daily life they wish to inhabit.
Hand-drawn floor plans, elevations, and 1:20 physical models submitted for client review and iterative dialogue over two to three sessions.
Joint site visits to timber yards, washi studios, and clay plaster suppliers. Every material is touched before it is specified and tested for ageing behaviour.
On-site oversight by a Crystal Dream Shift lead architect throughout construction, followed by a formal handover walk-through and a six-month care visit.
Whether you are adding a single tatami room to a modern home or commissioning a full traditional residence, our packages are structured to meet your scope clearly and transparently.
A focused single-session design consultation dedicated to shōji screen integration in an existing room. We assess the opening dimensions, light conditions, and structural constraints, then provide a full specification — lattice pattern, timber species, washi weight, and joinery detail — ready for a local carpenter to execute. Includes a follow-up written report and one revision round.
From ¥120,000
Request by EmailComplete interior design service for a single tatami room, including floor-plan layout to classical module ratios, toko-no-ma alcove specification, ceiling treatment, and fusuma panel selection. We coordinate with your contractor and conduct two site visits during construction to verify execution. Delivery includes a full set of working drawings and a material schedule.
From ¥480,000
Call to EnquireOur comprehensive architectural service from site survey through construction administration. Includes all structural and interior design drawings, material specifications, contractor co-ordination, and regular site oversight from groundbreaking to handover. We work with both traditional Japanese carpenters and certified structural engineers to ensure the highest standard of craft and compliance.
From ¥4,200,000
Call to EnquireTraditional Japanese structures are designed to be repaired, not replaced. The timber frames we specify are routinely maintained for over 100 years with only component-level interventions.
Tatami emits negative ions and naturally regulates humidity. Hinoki cypress releases aromatic compounds that measurably reduce cortisol. Your home becomes a restorative environment.
Washi screens, clay plaster, and rush mats are among the finest natural acoustic treatments available. Rooms designed this way are profoundly quiet without feeling dead or institutional.
Commissioning an authentic Japanese space is an act of cultural stewardship. Each project keeps traditional trades alive, creating demand that sustains apprenticeship programmes across Japan.
Real constraints, real clients, and the specific design decisions that arose from listening closely to each site.
A retired ceramicist asked us to create a two-mat tea room within her garden. The brief was simple: a place to conduct tea ceremony alone, sheltered from the street but open to the bamboo grove at the rear. Our solution inverted the conventional room orientation, placing the nijiriguchi entrance facing the bamboo and aligning the alcove with the morning light. The result is used daily.
A 180-year-old merchant townhouse in Kanazawa's Higashi Chaya district had suffered decades of incremental modification. Our task was to reverse these changes while upgrading thermal performance and installing discreet modern services. We recovered original timber markings beneath layers of plywood, enabling us to reconstruct the room sequence almost exactly as it was documented in a 1920s photograph.
A seven-room boutique ryokan needed to reposition from budget to premium without losing its authentic character. We redesigned four guest rooms, the entrance foyer, and the communal bathing corridor. The key intervention was replacing modern plasterboard walls with hand-trowelled shikkui lime plaster and introducing new shōji screens that reframed the mountain views guests had previously overlooked.
Two decades of practice distilled into four measures that matter.
We let the work speak, but we also let the people who live in it speak too.
"We came to Crystal Dream Shift wanting a tatami room. What we got was an entirely different way of understanding our house — as a sequence of thresholds and light conditions rather than a collection of rooms. The work took longer than a conventional fit-out, but it has already started to feel like it was always there."
"The restoration of our family's machiya was something I had avoided for years because I feared losing what made it special. Crystal Dream Shift understood that immediately. They never tried to update the building — they tried to hear it. The result is more authentic, structurally sounder, and more beautiful than before."
"We hired Crystal Dream Shift to redesign the guest rooms of our ryokan and the result has been transformational for the business. Occupancy rose 34% in the first year and our review scores improved significantly. Guests now spend twice as long writing about the room itself as they do about the food or the hot spring."
"I commissioned a shōji consultation expecting a technical report and received instead what I can only describe as an education in how light works. The specifications were flawless and the carpenter who executed them said it was the clearest joinery brief he had ever received. The screens have been up for three years and they still stop visitors in their tracks."
Yes. We have completed projects in Germany, the United States, Australia, and Singapore. For international commissions we typically make two site visits — one for briefing and site reading, one during construction — and coordinate closely with a locally engaged structural engineer. Travel costs are agreed as part of the initial fee estimate.
From initial consultation to construction completion, a single tatami room typically takes three to five months. This includes two to four weeks of design development, a material procurement period of four to eight weeks (hand-woven tatami mats and custom shōji paper are made to order), and four to six weeks of construction. We do not compress this timeline, as the quality of each stage depends on the one before it.
Absolutely, and this is where some of our most interesting work happens. The discipline is in finding the right threshold — the seam between the contemporary and the traditional — and making it intentional rather than awkward. A single tatami room within an otherwise modern open-plan house can become the calm centre that gives the whole dwelling its character.
Our primary materials are hinoki cypress, sugi cedar, igusa rush (for tatami), hand-kneaded washi paper, shikkui lime plaster, and traditional fired roof tiles. All timber is sourced from certified sustainable forests in Japan. Tatami igusa is grown using traditional water-paddy methods in Kumamoto Prefecture. We do not specify synthetic materials as replacements for traditional ones.
For full-service commissions, we attend the site at key structural and finishing milestones, review contractor shop drawings, respond to requests for information within two business days, and produce a written site visit report after each attendance. We act as your advocate on site, ensuring that the work executed matches the precision of the drawings.
Yes. Every project concludes with a comprehensive care manual covering seasonal tatami airing schedules, shōji paper replacement timelines, timber oiling frequencies, and clay plaster patching techniques. We also conduct a six-month revisit to assess how the materials are settling and to address any early maintenance questions in person.
Our fee for a full residential commission is structured in four stages: site reading and brief (15%), schematic design and model review (25%), design development and working drawings (35%), and construction administration (25%). Each stage is invoiced at its completion. We provide a fixed-fee estimate at the outset based on the project scope and do not charge by the hour for additional design iterations within reason.
In most cases, interior alterations including tatami installation and shōji screens do not require planning permission unless the building is heritage-listed or the works affect the external envelope. For heritage properties, we handle all liaison with the relevant local or national preservation authority as part of our service. We always advise on regulatory requirements during the initial consultation.
We work alongside heritage bodies, material suppliers, and craft guilds that share our commitment to quality and continuity.
Thinking through craft, materials, and the philosophy of space — published when something is worth saying.
The concept of ma — the interval, the pause, the deliberate emptiness — is not merely aesthetic decoration. It is the structural logic that determines where walls are placed, how corridors narrow, and why certain rooms feel complete even when nearly bare.
Read Article →The choice between hinoki cypress and sugi cedar is not simply one of budget, though cost is a factor. Each species has a distinct scent profile, moisture response, and surface grain that shapes the feeling of a room over decades. Here is how we think about the decision.
Read Article →Heritage restoration is an act of editing, not authorship. The best interventions are the ones a visitor cannot see: replaced sill plates, re-tied thatched ridges, consolidating foundations. In this essay we walk through the decisions made during the Nishiki Minka project in Kanazawa.
Read Article →We welcome enquiries from architects, homeowners, and institutions. Every project begins with a phone call or an email — the site visit follows from there.
Office Address
1-1 Chiyoda, Chiyoda City
Tokyo 100-0001, Japan
Telephone
Office Hours
Monday – Friday, 9:00 – 17:30 JST
