Complete redesign of the two "night" floors of an apartment in the 9th

We entirely rethought the bedroom floor of this Parisian duplex nestled in the heart of the 9th arrondissement. A load-bearing wall unbalanced the distribution of the bedrooms: the parents' space was too large, at the children's expense. By rethinking the layout, and after a few structural alterations, balance was restored!

Bedroom with sage paneled closets, oak vanity and herringbone parquet – apartment in Paris, by Cotrel Studio, interior designer

Arched niche with shelves and gray tweed upholstered headboard – apartment in Paris

Bedroom with arched niche, pink headboard and window onto the balcony – apartment in Paris

The final design

The final design comprises four bedrooms: three children's rooms and a parental suite. In the parents' room, niches with mirrored backs were created on either side of the bed, adding depth to the space. The upholstered headboard creates continuity between the two alcoves while adding a soft, cushioned comfort! Facing the bed, a dressing unit was set against the new partition. Fitting this dressing beneath a plaster cornice required rigorous bespoke work — it is in fact the steel beam supporting the stairwell opening that is hidden behind it!

Still within the parents' quarters, let's discover the shower room. Small, but effective! The continuous flooring, the glazed shower door and the little window give this room a genuine sense of space. This overall view clearly shows how the shower room is integrated. A sliding door is always a good solution in this kind of context.

Bedroom opening onto the bathroom, arched niche and herringbone parquet – apartment in Paris

Bathroom with white zellige shower, oval mirror and oak vanity – apartment in Paris

View from the bathroom into the bedroom, brass sconce and trailing plant – apartment in Paris

Detail of a sage fabric pendant light reflected in a mirror – apartment in Paris

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Kids' bedroom with clouds and blue swallows wallpaper, rattan pendant – apartment in Paris

Bedroom reflected in a mirror, blush pink bed and green fabric pendant – apartment in Paris

Detail of a floating light oak vanity with glass and brass sconce – apartment in Paris

A closer look at the details

In interior architecture, details are paramount. Having a good idea, knowing what you want, choosing a beautiful material — that is a good start. But it is not enough! A crucial step is to integrate all these elements into the plans. The trades must be coordinated to make sure everything works. The cable outlet must be perfectly positioned, the recess allowed for the thickness of the mirror, the height of the desk. Once all these elements are properly drawn, our partners in charge of the execution step in! We are fortunate to have skilled, qualified teams for every conceivable specific request. They are true enthusiasts, always in search of the solution that will resolve the last issues on site. Our team and our partners are our greatest strength!

Master bedroom with arched niches, pink headboard and fabric pendant light – apartment in Paris

Kids' room with coral alcove, landscape mural and built-in bookshelves – apartment in Paris

Kids' bedroom with Paris rooftops mural, sky blue curtains and parquet – apartment in Paris

Kids' bedroom with reeded glass partition and rooftop mural – apartment in Paris

Kids' room with blue study alcove, bookshelves and swallow wallpaper – apartment in Paris

Bedroom with sage paneled closets, oak vanity and herringbone parquet – apartment in Paris

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Choice of colours and materials

Each child had a say in the decoration of their own bedroom. Here, wallpaper by Bien Fait creates a genuine stage backdrop. The desk and bookcase nestle against this wall, crossed by an immovable chimney flue. The plaster cornices were reproduced to suit the room's new proportions. A completely different atmosphere in the eldest's room! Blue, used across the whole desk niche, sets off this magnificent wallpaper by PaperMint. For the youngest, a mural drawn on site by Anaïs Vielfaure won the day! The poetry of this decor and the bespoke glazed partition lend a very Parisian chic, made to measure for this charming little boy!

Study nook painted blue with built-in bookshelves and rattan pendant – apartment in Paris

Detail of a reeded glass partition with porcelain and brass handle – apartment in Paris

Landing with white spiral staircase, reeded glass partition and parquet – apartment in Paris

Sliding reeded glass partition between the kids' room and the staircase – apartment in Paris

White spiral staircase with oak treads, view toward the glass partition – apartment in Paris

White and oak spiral staircase on herringbone parquet – apartment in Paris

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The success of this project owes much to the way the rooms connect with one another. In place of a poorly positioned corridor, we created a landing that serves the floor in a star-shaped layout. A spiral staircase leads up to the attic. Natural light reaches this landing from the stairwell opening, but also through the glazed partitions we used. A welcome bonus: access to a small private terrace, hidden behind the main façade!