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CASE 02 Luxury custom homes / imported homes

Streamlining interior renders — cutting deck-building time to one third.

A specialist in European-style luxury custom homes and renovations. From hand sketches to high-fidelity renders, the team pushed their proposal speed up by 3×.

"The time it takes to put together an initial proposal presentation has been cut to about one third — that's genuinely how it feels."

TOP MAISON Co., Ltd.
TOP MAISON Co., Ltd.
Background & Effect

Background and outcome

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Before deployment

Difficulty sharing spatial concepts

Floor plans alone made it hard for clients to picture the volume; perception gaps were common.

Time spent on CAD work and image search

CADing intricate ornamentation and hunting for reference imagery ate up many hours.

After deployment

3× proposal speed

Initial pitch decks now build in ~1/3 the time. Even hand sketches yield high-fidelity renders.

Smoother on-site communication

Shared visuals help align craftsmen and partners — preserving and lifting construction quality.

The full customer story is published on our blog.

Read the full story
Fact Sheet

Customer

Quick overview of the company and contributors. Detail follows in the body.

TOP MAISON Co., Ltd.
Company
TOP MAISON Co., Ltd.
Industry
Luxury custom homes / imported homes
Location
Hekinan, Aichi (HQ); Tokyo, Nagoya, Osaka
Founded
2000
Business
Luxury custom (imported) homes, renovations, land-use, general construction
HP
topmaison.com
Published
2025.12.11
Contributors
Isamu Nakazawa Chief Planner · Osaka branch
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