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7 mistakes that make your small spaces seem even smaller

Avoiding the most common mistakes in small projects does not require major renovations, but rather sensitivity to observe the demands of the projects.

By Milena Garcia

Submitted at Jul 18, 2025, 11:00 AM

10 min de leitura
Project by Leandro Neves.

Project by Leandro Neves. (Luiza Schreier)

Small spaces require careful solutions. With less square footage available, each choice (including layout, colors, or lighting) has a direct impact on the perception of the projects. However, it is common for good intentions to end up resulting in opposite effects from what was desired: what should expand, reduces; what should organize, suffocates.
Micro apartment of 25 m² has a tile headboard and a kitchen integrated into the bedroom. Project by Rodolfo Consoli. In the photo, the bedroom has a TV and a home office. Kitchen with integrated counter.

Micro apê de 25 m² tem cabeceira de azulejos e cozinha integrada ao quarto. Projeto de Rodolfo Consoli. (Luiza Schreier/CASACOR)

More than just following ready-made formulas, understanding what limits the fluidity and lightness of compact projects is the first step towards a more conscious and functional decoration. Below, we list the 7 most recurring mistakes and how to reverse them with simplicity and clarity.

1. Poorly planned lighting


Light is one of the great allies in the visual expansion of small spaces — and also one of the first to be neglected! Projects with a single, central, and cold light tend to create harsh shadows and a sense of confinement. Ideally, you should distribute light points at different heights and intensities, enhancing corners, surfaces, and textures.
STUDIO 021 - Room 021. Project of CASACOR Rio de Janeiro 2023.

Quarto, por Studio 021. Projeto da CASACOR Rio de Janeiro 2023. (André Nazareth/CASACOR)

Prefer floor lamps or sconces that draw light into the project, and take advantage of natural light with light curtains and translucent fabrics. A well-thought-out lighting not only expands but also enhances what is already there.

2. Excessive dark colors


Dark tones can be sophisticated, but when applied indiscriminately in small spaces, they end up absorbing light and diminishing the perception of amplitude. This does not mean giving up personality in the palette — but rather balancing it with light tones on larger surfaces, such as walls, ceilings, and floors.
With a black and gray palette, a 73 m² apartment is decorated with loose furniture. Project by Leandro Neves. In the photo, living room with black cabinetry, sofa, and bench.

Projeto de Leandro Neves. (Luiza Schreier/CASACOR)

Bet on neutral or natural colors as a base and use more intense tones in details: cushions, paintings, decorative objects. The chromatic harmony helps the eye to circulate and expands the sense of breath.

3. Disproportionate furniture


Another common mistake in small spaces is using furniture that is too large for the project. Deep sofas, large tables, or king-size beds can compromise circulation and leave the area visually overloaded. To avoid this feeling, scale is fundamental.
82 m² apartment receives japandi décor with contemporary touches. Project by Fabiano Ravaglia. In the photo, living room and dining room separated by a bookshelf.

Projeto de Fabiano Ravaglia. (Fotos: Luiza Schreier / Produção visual: Diego Matos/CASACOR)

Opt for compact furniture with a light design, visible legs, and multifunctionality. A hollow shelf, for example, can divide projects without blocking light. Meanwhile, a retractable table or storage bench resolves two functions in one volume.

4. Excessive decorative elements


In compact projects, the quantity of objects matters just as much as their size. Too many items together (even if small!) create visual pollution and disorganization. Full shelves, grouped paintings without breathing space, excessive cushions: all of this can suffocate the senses.
Minimalism, pastel tones, and designer furniture mark the entrepreneur's apartment. Project by Quintino Facci. In the picture, the living room features a rattan bench and a painting.

Projeto de Quintino Facci. (Marilia Ganassin/Divulgação)

Select pieces with meaning, rotate decorative elements from time to time, and value empty space as part of the composition. What remains should dialogue with the whole — and not compete for attention!

5. Poorly chosen curtains


Curtains play an important role in the perception of proportion and lightness in small projects — and, when poorly chosen, can compromise the project. Heavy, too short models or with very dense fabrics tend to visually shorten the ceiling height and block the entry of natural light.

[caption id="attachment_168656" align="alignnone" width="300"]Adriana Valle and Patricia Carvalho - Couple's Suite. Project by CASACOR São Paulo 2024.[/caption>

Prefer floor-to-ceiling curtains, even if the window is small: this simple trick creates the illusion of vertical amplitude. Light fabrics, such as linen or voile, favor luminosity and bring fluidity to the composition. And whenever possible, opt for built-in or discreet tracks that do not interfere with the design of the project.

6. Lack of integration between projects


In small spaces, thinking of the projects in a fragmented way can be another mistake. When each area follows a different style, palette, or material type, the house loses cohesion and appears even smaller. The visual integration between the rooms, especially in open plans, is essential. [caption id="attachment_160718" align="alignnone" width="300"]25 m² apartment gains a young, integrated and functional project. Project by Carolina Gava, In the photo, bedroom, balcony, and shelf with swivel TV.[/caption> Repeating elements (such as colors, textures, or finishes) helps create unity. A rug that extends from the living room to the dining area, or the same wood present in different furniture, connects the projects and expands the perception of continuity.

7. Hiding what is functional


Hiding everything is not always the best solution. In many cases, showing what is functional can enhance the space. A compact kitchen with organized utensils on view conveys practicality. An open wardrobe with well-arranged hanging rods can be as elegant as a closed cabinet.
Structural pillar and exposed bricks set the tone of this 115 m² apartment. Project by Ana Neri. In the photo, kitchen with green cabinetry, white wall, and shelf.

Pilar estrutural e tijolos aparentes dão o tom deste apê de 115 m². Projeto de Ana Neri. (Sambacine/CASACOR)

The key lies in the organization and care with the materials chosen. When well presented, everyday items also become part of the decoration. CASACOR Publisher is a creator of exclusive content, developed by the CASACOR Technology team based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.