The sofa is the single most consequential decision in a living room. Get it right and everything else falls into place. Get it wrong and the space never feels fully settled, no matter what you do around it.
After years of working with clients on this exact question, I’ve distilled the selection process into three considerations that I always address in order.
Scale before style
The most common mistake I see is choosing a sofa based on how it looks in a photograph. A sofa that reads as generous and welcoming in a large loft will feel crushing in a 15m² apartment. A delicate, low-profile piece that looks elegant in a studio will disappear in a double-height room.
Before looking at a single image, measure. Specifically:
- The wall the sofa will sit against
- The traffic paths around it
- The distance to the coffee table and opposite seating
A sofa should leave at least 90cm of circulation space on the sides and front. In most São Paulo apartments, this means a sofa no longer than 220cm.
Proportion before comfort
Comfort is important, but it is the last consideration, not the first. A sofa that is the wrong depth will never feel right to sit on regardless of its cushioning.
Seat depth is the most overlooked dimension. Sofas typically range from 55cm to 90cm in seat depth. A 55cm deep sofa encourages upright, alert sitting — good for social, formal spaces. A 90cm sofa invites lounging — appropriate for a TV room or a relaxed, private space.
Most living rooms need something in between: 65–75cm is the range I specify most often.
Then, style
Once scale and proportion are established, the aesthetic questions become much easier to answer. You are no longer choosing from all sofas — you are choosing from sofas that fit your space.
Within that filtered set, I look for: leg height (higher legs visually open the floor), back height (lower backs create a more expansive feeling), and upholstery texture (matte, textured fabrics age better than glossy or flat ones).
The color should be the last decision. Neutral is not always safe — a beige sofa in a room that is already predominantly beige will disappear. Sometimes a sofa needs to be the room’s defining statement.