One’s Life Homeが提案するのは、敷地探しから設計、施工、完成後のアフターサポートまでを一貫して担う住まいづくりです。とりわけ東京都心部、なかでも成城をはじめとする高級住宅地で豪邸を建てたい方に向け、唯一無二のプランをご提供してきました。単なる「家」ではなく、人生を支え、家族の記憶を未来にまで残す「邸宅」をつくる。そのために、私たちは素材の選定からディテールの仕上げに至るまで、徹底的にこだわります。
When you start thinking about building a home, what do you consider first? Location, lot size, timing, budget—many variables naturally come to mind. And when you turn to the house itself, you likely picture the plan, the area, and the exterior: a façade in dignified stone cladding, elegant tiles, refined plaster, or warm wood siding. You may also weigh the structure—timber or reinforced concrete—knowing that this single choice reshapes both the character and the long-term value of the residence.
At One’s Life Home, we offer a fully integrated service—from site search and architectural design to construction and after-care. Especially in central Tokyo and prestigious neighborhoods such as Seijo, we present singular, tailor-made schemes for clients seeking a true urban residence. Our aim is not merely to build a house, but to craft a “residence” that sustains a life and preserves a family’s memory into the future. That is why we obsess over materials and details at every step.
A dark, matte stone façade and a generous garage—hallmarks of an urban residence.
Consider the exterior: a stone-clad façade delivers undeniable presence. A dark matte finish stands quiet against the city, while projecting a composed dignity. Even when the street elevation remains discreet, the interior can open to breathtaking volume. This contrast—calm restraint outside, luminous openness within—is the hallmark of a truly elevated home.
With a north-side street, we set a large garage to the road. The weather-proof approach removes friction from daily life, and the breadth to line multiple grand tourers subtly raises the status of the entire residence. For executives, artists, and global professionals, the automobile is more than mobility; it is an emblem of lifestyle. The garage becomes its stage.
To the south, a remarkable private volume unfolds. Shielded by high walls, a patio paved in white marble appears within. There, a folding door by the German maker Schüco becomes the protagonist: at 3.5 meters high and over 5 meters wide, the opening unifies inside and out, naturally connecting the living area and the patio. With a touch, the boundary dissolves; the door functions beyond hardware—becoming an architectural signature.
Large glazing demands serious thermal performance. At this scale, domestic products cannot be specified, so we select Schüco systems. They achieve levels of insulation that domestic lines cannot yet deliver, preserving home performance even at these spans. Our building-materials division is a Schüco brand partner—responsible for engineering and installation, and manufacturing in our own facility from 2026. We do not merely build houses; we elevate the supply chain itself, providing superior components even to major contractors and house makers.
At the patio’s heart, a black-stone table with a fireplace anchors the scene; matching stone chairs bring disciplined simplicity. By night, firelight flickers and pools of blue reflect across the water, enveloping the space in a resort-like calm—right in the center of the city.
Inside, the heaviness of stone yields to gentleness. Solid-wood flooring welcomes bare feet, while breathable diatomite plaster moderates humidity for steady comfort across seasons. Whole-house conditioning stabilizes temperature, taming Tokyo’s climate. Where natural materials and advanced systems harmonize, true ease follows.
A seamless threshold: marble patio, water, and a grand opening as night descends.
Never forget: this residence is not merely a place to live; it is an asset. Reinforced concrete offers calm against Japan’s natural forces. In timber schemes, structural shear panels deliver a resolute envelope. Stone façades endure, and natural materials care for body and mind—allowing the home to be lived in and passed on. Three hundred million yen is no small figure, but it is not a mere build cost; it is an investment in a symbol whose value persists.
When designing a home, numbers alone can obscure what truly matters. A residence is a vessel for life—beyond plan area or count of rooms. Asking how to form that vessel is the essence of building a luxury home.
To realize an urban residence of genuine worth, both experience and sensibility are required: the ability to reconcile the gravity of stone cladding with the tenderness of solid wood; to generate privacy and openness at once; to wield global-standard systems while integrating RC structure and natural materials without contradiction. Only then does a truly valuable residence emerge.
When you reach the end of this column, one answer may surface within you: for the ideal urban residence, there is only this direction.