ALT Design & Construction

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ALT-254 is an Architecture and Interior Design Company based in Hong Kong that offers expert design, construction, and project management services. ALT-254 specializes in Residential, Retail, Hospitality, Commercial, and Office design projects throughout the Asia-Pacific region. Being a well-known Hong Kong Architecture firm, ALT-254 likes to do things differently, challenging the status quo. Thei

r unique Integrated Service Model utilizes a talented and highly experienced in-house team of designers, project managers, and client managers, who work in synergy to streamline costs and optimize project outcomes providing world-class production and customer service. Get in touch with them for a free consultation at https://www.alt-254.com.

When snow falls in Hanazono, our Kaba Plot 5 villa settles into the slope like a memory made real. The villa’s exposed t...
17/03/2026

When snow falls in Hanazono, our Kaba Plot 5 villa settles into the slope like a memory made real. The villa’s exposed timber and natural stone frame floor-to-ceiling views of Mount Yōtei, each level stepping with the terrain to capture light and landscape.

Mornings begin in the tatami room with quiet tea; afternoons drift through open living spaces toward the spa. Bedrooms on the upper level offer private outlooks, while a children’s room and fireplaces create warm gathering spots. Robust and finely detailed, the house feels both shelter and stage for daily rituals.

This project is currently under construction. Follow its progress and imagine building your own retreat. Enquire for more information about available Kaba plots and building opportunities.

Ginto Hinoki Villa : a modern Japanese calm in the heart of Niseko. A serene mountain sanctuary: elegant rooflines, warm...
13/03/2026

Ginto Hinoki Villa : a modern Japanese calm in the heart of Niseko. A serene mountain sanctuary: elegant rooflines, warm Scandinavian-inspired interiors, a low-ceiling living room with fireplace, and a private spa opening to a secluded garden. A refined retreat where tradition meets contemporary comfort.

10/03/2026

Karamatsu Chalet: where Alpine chalet warmth meets Japanese restraint. Watch the rendering of our intimate Niseko Mori retreat: a layered composition of crafted timber, a welcoming genkan, open-plan living with cozy fireplace moments, and private upper suites framing Mount Annupuri. A refined, understated home for season-to-season mountain living.

Lost in Niseko sunlight: a chalet that’s more than architecture, it’s a way of life. We craft places, and a lifestyle, r...
06/03/2026

Lost in Niseko sunlight: a chalet that’s more than architecture, it’s a way of life. We craft places, and a lifestyle, rooted in local culture and refined design. If this snowy moment speaks to you, tap ❤️ and follow our journey through Asia’s mountain homes.

DM to explore collaborations.

Odin Hills Plot M2: reimagining Japanese alpine living. Currently under construction and recently featured in The Financ...
03/03/2026

Odin Hills Plot M2: reimagining Japanese alpine living. Currently under construction and recently featured in The Financial Times, this award‑winning design (Gold, A&D Residential | Future Developments) blends Kyoto‑inspired privacy with panoramic Mount Yotei views and a private onsen.

Our photoreal renderings let clients see and refine every material, sightline and light study before build, so the finished home matches the vision.

Swipe to explore and DM to discuss commissions or collaborations.

Izumikyo Hillside Villa, a modern, efficient design with dual views: panoramic Mount Yotei from the top floor and a tran...
27/02/2026

Izumikyo Hillside Villa, a modern, efficient design with dual views: panoramic Mount Yotei from the top floor and a tranquil forested hillside at the rear. Perched on a steep Hirafu slope, its clean materials, warm interiors, and practical steep roof create a low‑maintenance, beautiful retreat.

Alongside architectural services, we also provide full interiors styling to deliver complete projects, from walls to the final furnishings.

Tap to view the details and DM us to discuss bringing your vision to life.

24/02/2026

Shirakaba Chalet: where European alpine warmth meets refined Japanese mountain poise. Currently under construction, this ultra‑luxury retreat blends natural timber, stone hearths, clean modern lines and carefully considered proportions to frame Mount Annupuri views.

Our photoreal visual renderings are woven into the design process so every material choice, sightline and lighting concept is agreed before build, aligning vision with reality from day one.

Watch the video, imagine the details, and DM us to talk about bringing your project to life.

A tall, solitary beacon in the snow: a multi‑story house that reads like a lighthouse, its windows bringing light, view ...
17/02/2026

A tall, solitary beacon in the snow: a multi‑story house that reads like a lighthouse, its windows bringing light, view and life to a harsh winter landscape.

Windows are essential: they frame the panorama, admit daylight for wellbeing, and enable passive solar gain. Done right, glazing doesn’t mean heat loss. Use high‑performance triple glazing, low‑E coatings, thermally broken frames, continuous insulation, airtight construction, and heat‑recovery ventilation. Add deep reveals or insulated shutters and thermal curtains for nights.

Beauty and resilience: a home that glows warmly against the cold.

Winter-ready design: two-story home wrapped in vertical timber slats and generous bay windows. A warm, inviting interior...
10/02/2026

Winter-ready design: two-story home wrapped in vertical timber slats and generous bay windows. A warm, inviting interior framed by crisp snow outside. Slanted roofs not only sculpt the silhouette but naturally shed snow for low maintenance and lasting performance. A perfect blend of form and function.

An architectural moment: a serene engawa where rhythm of the wooden slates and soft, dimmed light create striking graphi...
03/02/2026

An architectural moment: a serene engawa where rhythm of the wooden slates and soft, dimmed light create striking graphic patterns. Thoughtful materiality, meticulous joinery and a seamless indoor-outdoor threshold, design elements that elevate curb appeal and long-term value. For investors seeking a beautifully designed home with enduring marketability and standout character, this porch is a defining asset.

DM us for more info

So proud to be featured in the January edition of Prestige Magazine!  Thank you to the team at  for the honor!On this pa...
27/01/2026

So proud to be featured in the January edition of Prestige Magazine! Thank you to the team at for the honor!

On this page are featured some of our built and unbuilt projects:
- Plot M2 under construction on
- The Jozankei Villa in Sapporo
- One of the villa we designed for in Lombok
- Lobby of

(Even more proud to be featured alongside as the cover of this Prestige January Edition as we’re big fan of Golf at ALT!!)

Grab your copy and read our story.

DM us for your next architectural or interior design projects!

magazine

Address

2F, AXA Southside, 38 Wong Chuk Hang Road, Wong Chuk Hang
Hong Kong

Opening Hours

Monday 08:00 - 20:00
Tuesday 08:00 - 20:00
Wednesday 08:00 - 20:00
Thursday 08:00 - 20:00
Friday 08:00 - 20:00

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