Sonia Mounier Design d'Intérieur

Sonia Mounier is an interior design and renovation brand based in Lorette, in France’s Loire department, serving Saint-Étienne, Lyon, Rive-de-Gier, Givors and the wider Loire and Rhône areas. Led by interior designer Sonia Mounier, the practice works with individuals and professionals to create harmonious, functional interiors shaped around each client’s needs, lifestyle and personality. Its services range from tailored décor advice for refreshing a room on a modest budget to full renovation and interior-layout projects.

Clients can also choose a turnkey service, with a single point of contact intended to simplify the process and save time. Sonia supports projects from initial concepts and design proposals through material selection, construction-site monitoring, coordination of tradespeople and delivery. The portfolio includes residential renovations and professional spaces, with examples spanning homes, offices and a games room.

Client feedback highlights her creativity, reliability, practical guidance and ability to adapt proposals to budgets. Sonia Mounier’s approach combines personalized design with attentive project coordination to make renovation more manageable and create interiors that are both attractive and usable