The studio · since 2014

Studio

YJ Concept est fondé en 2014 à Châlons-en-Champagne. Le studio regroupe aujourd'hui douze personnes et mène trois projets résidentiels en parallèle, jamais davantage. Tous les corps d'état sont français.

The studio in numbers

36

Projects delivered

12

Countries

05

Full-time

04

International awards

Measure

Principle · 01 / 03

Measure.

Nothing more than what the place asks for. No posturing, no excess. A demanding minimum, held down to the smallest detail.

« We remove more than we add. »

Material

Principle · 02 / 03

Material.

Stone, oak, linen, lime plaster. Materials that take on patina, that can be repaired, that last. No short-lived coatings.

« Anything that ages well is welcome. »

Endurance

Principle · 03 / 03

Endurance.

We come back a year later, repair what needs to be, and take with us one object from each delivered home. Commitment held over the long term.

« A home is delivered, never left. »

Architectural Digest · March 2026

"A home signed YJ Concept is recognized by its silence — the silence of the right material, placed at the right spot."

Team

Open positions ↗

YB

Yasmine Belkacem

Co-founder, architect DPLG

01

JL

Jonas Lefèvre

Co-founder, art director

02

CR

Camille Roux

Interior architect

03

AD

Anaïs Dieng

Project lead

04

TM

Théo Marchand

Furniture designer

05

We are looking for an interior architect and a project lead for the next intake.

See open positions →