During interior renovation work, many questions cross the mind. How to cover paneling? How to repair a hole in a drywall? Otherwise, how to paint acrylic resin?
If you want to know how to set up a dressing room or wardrobe under a slope, this article can serve as a guide. The idea may seem very clever especially since there is not enough space for storage.
No matter the ceiling height or the available attic space, it remains feasible to make a wardrobe creating practical layouts.
With some DIY knowledge, there is no need to call a professional. You can very well install a piece of furniture under a slope or set up a dressing room in the attic. If you hesitate to take this step, we invite you to read this article.
📋 What to remember: Personally, I consider that creating a wardrobe under a slope allows recovering up to 25% more storage volume in a mansard room. I think that by using sliding rails, one avoids the clutter of hinged doors in tight spaces. In 2026, attic conversion remains one of the most profitable DIY projects to enhance every square meter of your home.
How to create a wardrobe under a slope?
✅ Advantages
- Total optimization of dead angles.
- Integrated and modern aesthetics.
- Increases the perceived value of the bedroom.
🔍 Drawbacks
- Complex angle cuts for the doors.
- Sometimes limited depth at the bottom of the slope.
Preparation
Many people do not know where to start. But one thing is certain, they intend to exploit the space under the slope to create a dressing room for additional storage.
Before starting the work, gather materials such as the measuring furniture or furniture under the slope, wooden shelves, sliding doors or sliding wardrobe doors, the under-slope kit, and drawers.
Also, gather the necessary tools such as a tape measure, a screwdriver, a spirit level, a hacksaw or circular saw, and a caulking gun.
Once these elements are gathered, define the type of furniture or wardrobe under the slope you want to assemble. It should be noted that the space required to install a dressing room is different from that of a bookshelf.
Before starting the work, it is essential to paint the wall. Once the wardrobe under the slope or dressing room under the slope is installed, it becomes difficult to do so.
After this step, take measurements of the entire sloping walls including ceiling height, width, and length.
Thanks to these measurements, it becomes easier to estimate the size of the boards allowing you to create the shelves.
📍 My experience: In October 2024, I made my first cupboard under a sloping roof in Nantes for less than 180 euros. I made the mistake of only taking measurements at the bottom of the slope, forgetting that walls are never perfectly straight. The lesson I learned is that you should always measure the height at three different points across the width of the future cupboard to adjust your cuts.
Creating the cupboard under the slope
To carry it out successfully, you can choose between purchasing boards from specialized stores and buying custom built-in modules.
Let’s now talk about the first option. You must first saw the wooden pieces to the correct size. Once done, cut the internal vertical partitions then the shelves. These must be fixed using assembly brackets. Use dowel brackets to secure the structure to the wall.
If you prefer built-in modules, be sure to carefully note the dimensions of the sloping ceilings. Accurate measurements help you find the right product.
Consider using connecting screws to reinforce the construction. To keep it in place, use wall mounting brackets.
| Material | Thickness (mm) | Average price / m2 | Advantages |
|---|---|---|---|
| MDF (Medium Density Fiberboard) | 18 | €12 | Easy to paint |
| White melamine | 19 | €15 | Easy maintenance |
| Plywood | 15 | €22 | Very sturdy |
| OSB | 18 | €9 | Industrial style |
How to make a cupboard under the attic?
With the aim of optimizing the space under the attic, it is entirely feasible to use the area between the roof undersides and the floor. Take advantage of this to create practical storage.
🌍 Did you know? On average, a room under the attic loses about 15% of its floor area due to the unused slope. Installing a cupboard allows you to transform this “loss” into a storage space of 2 to 3 m3 depending on the width of the wall.
If you are wondering how to make a dressing room under the attic or how to make a cupboard, here are the steps to follow:
The initial phase consists of gathering the materials and the right tools such as a level ruler, cutter, drill driver, try square and saw.
Once done, measure the ceiling height, the width of the sloping ceiling as well as the angle of inclination. Prepare the cut using a template. Then cut the wooden panels and pre-drill them. After assembling them, put in place the cupboard under the attic and adjust it to the roof slope.
The next phase is the installation of sliding doors. This product is sometimes delivered at 2500 cm high. However, always allow a margin of 1 to 2.5 cm for adjusting the guides. The last step involves mounting the accessories and finishing the furniture.
⚠️ Common misconception: Thinking that you can fix door rails directly onto the plasterboard ceiling without reinforcement. With the weight of the panels, the rail will eventually tear off. It is essential to locate the metal studs in the ceiling or use high-strength Molly bolts.
How to close a closet under the eaves?
Since we already know above how to make a closet under the eaves, the other problem is its closing mechanism.
Certainly, installing doors can reduce the available space, which can prevent, for example, easy movement. But they allow you to hide the contents of the closet. Especially since the space under the eaves is used to receive guests.
To close the closet or dressing under the eaves, different solutions are available. If you are aiming for simplicity, a curtain will do the job.
A swing door is also another idea, but it requires significant clearance when opening. To optimize space, it is not the best option.
Otherwise, choose a folding door. This one is very practical, but it must be said that it is not very aesthetic.
There is nothing like favoring sliding doors. Not only do they offer many design possibilities, but they also do not take up much space.
How to make a closet in a recess?
Nothing in the house has to go to waste. Cavities, niches, and especially reinforcements, all spaces can be exploited, even the smallest corners.
A wall recess can very well serve as a closet or dressing. Whether it is open or closed, the furniture can accommodate a large number of useful objects.
To achieve this, you just have to place a modular bar allowing you to hang your jackets or clothes.
Otherwise, arrange wooden crates for storing your small items. A mini closet is welcome to organize your beautiful pairs of shoes.
💡 Tip: Always leave a 2 cm air gap between the wall and the back of your closet to ensure natural ventilation. This prevents condensation and mold phenomena, common in poorly insulated sloped corners.
Also, an alcove represents an ideal storage space for your wardrobe or dresser. Many place a small designer desk there that catches the eye.
The Ikea closet under the slope
There does not seem to be a ready-made kit or closet dedicated to the under-slope, however it is possible to make a custom one with Ikea products.
If you choose Ikea products of the open type, you have the IKEA BOAXEL, IKEA ELVARLI, and IKEA JONAXEL dressing systems. The latter is particularly suited for storing small items.
As for closed category products, there is the IKEA PLATSA and IKEA PAX wardrobes. Whatever your choice, Ikea items stand out for their ultra-fast assembly.
Castorama sloping closet kit
Founded by Christophe Dubois, the brand does not specialize only in gardening, electricity, or plumbing. It also offers a fairly comprehensive range of DIY products.
It provides you with a GoodHome Atomia line that offers a wide variety of drawers, boxes, doors, accessories, and shelves. Castorama also presents a 3D design tool called the Darwin wardrobe to help you optimize available spaces.
Leroy Merlin sloping closet kit
At Leroy Merlin, its reputation grows with the Spaceo Home series. This allows you to easily identify all the components of a sloping wardrobe or sloping closet.
As for the Spaceo Kub series, it is suitable for small storage. Just like Castorama, Leroy Merlin also offers a 3D design tool called Mobibam.
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