Lack of space is a constant challenge for owners and tenants of small homes. Fortunately, there are some helpful tips to fix this problem. One of these ingenious solutions is to place a corner sofa under the stairs. By applying a few basic decorating and design principles, you can transform this often unused space into a comfortable and stylish seating area. In this article we guide you step by step to successfully optimize your space.

Study the space available under the stairs
First you will have to evaluate the space available under the stairs to establish whether it can comfortably accommodate a corner sofa. Consider not only the width and depth of this space, but also the height of the ceiling at the lowest and highest points. Also note the presence of any constraints, such as pipes or a radiator.
Choose the right sofa model
Once the maximum dimensions allowed by the space under the stairs have been estimated, it will be necessary to choose the suitable sofa model. You will have to take several factors into consideration:
- The size: opt for a corner sofa whose dimensions are compatible with those of the space available.
- The type of angle: prefer a sofa with chaise longue rather than an L-shaped model to facilitate installation under the stairs and limit waste of space.
- Modularity:
- The materials: choose durable, easy-care fabrics, such as synthetics or leather.
- The style: select a sofa model that matches well with the rest of your interior decor.
Adapt the sofa to the space
Once you have chosen the right corner sofa model, it is time to adapt it to the space available under the stairs. Here are some tips to achieve this:
- If necessary, adjust the height of the backrest. A backrest that is too high could hinder the use of the stairs or give the impression of being bulky.
- Consider adding pillows for added comfort, especially if your ceiling height is low. You can also use sectional ottomans to create additional seating.
- Don’t hesitate to customize the sofa by changing the legs or choosing the cushion covers suited to your decor.
Organize the space under the stairs
Placing a corner sofa under a staircase is one thing, but you must also make sure to create a pleasant and functional space around it. Follow these tips to be successful in your layout:
- Install adequate lighting: since the stairs are often dark, prepare multiple light sources (wall lamp, floor lamp, garland, etc.) to adequately illuminate the living room area.
- Install decorative elements: add frames, mirrors or plants to risers or along the wall to give character to this space.
- Store and organize: consider integrating storage solutions, such as a shelf, to keep the space tidy and welcoming.
Successfully arrange the corner sofa
The location and orientation of the corner sofa will play a vital role in the success of your layout. Here are some tips for positioning your sofa correctly:
- Avoid placing the sofa against the adjacent wall, as this may create a feeling of narrowness. Instead, leave a free space to facilitate circulation and visually ventilate the space.
- Orient the sofa so that it faces a point of interest, such as a window, fireplace or TV stand.
- Consider existing parameters in the room, such as the location of electrical outlets and other functional elements.
Some layout ideas for your corner sofa under the stairs
To inspire you and help you find the best way to place your corner sofa under the staircase, here are three layout suggestions:
- Parallel arrangement: position the sofa perpendicular to the adjacent wall, with the chaise longue leaning against the back wall. This solution is ideal if you want to clearly delimit the seating area from the surrounding space.
- Diagonal Arrangement: install the sofa at an angle to the adjacent wall, at a right angle to it. This will create an illusion of grandeur and visually open up the space.
- Orient towards the front door whenever possible for a welcoming atmosphere.
- Reverse Arrangement: position the sofa with its back to the stairs, with the chaise longue against the adjacent wall. This option is recommended if you prefer a more discreet and integrated layout.
In summary, placing a corner sofa under a staircase requires taking into account several factors such as the size, shape of the space and the layout of the rest of the room. By exploring different options and testing different layouts, you can create a nice and cozy seating area under the stairs.
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