Interior design space planning: crafting beautiful and comfortable environments

In the world of interior design, space planning represents one of the most stimulating and rewarding challenges. It is not simply about placing furniture and decorations harmoniously, but about creating environments that meet the functional and psychological needs of the occupants, improving the quality of daily life.

Whether you are designing a home, an office, or a commercial space, the ability to organize interior spaces requires a combination of creativity, technical knowledge, and a deep understanding of human dynamics. A 3D design software can be a great support to maximize the result and satisfy your client.

In this article, we will explore advanced techniques and practical tips for interior design space planning, guiding you through the process of transforming any environment into a functional and harmonious space. You will learn how to distribute spaces and analyze the functions of a home, create natural movement flows, and integrate design elements that promote the well-being of the users. Get ready to enhance your design skills and create spaces that not only meet your clients’ expectations but also surprise and inspire them.

What is interior design space planning?

Interior design space planning refers to the process of defining the function, needs, and basic layout of specific areas within a home or commercial building. This phase is crucial in the interior design process.

Instead of letting stylistic preferences or personal tastes alone determine the layout of a space, space planning requires interior designers to consider other fundamental aspects of design, including at least the following:

• Choice of functions to assign to the spaces in the home:
  1. social (living room, dining room, lounge, kitchen)
  2. private (bedrooms, bathrooms)
  3. work-related (study, workstation, etc.)
  4. storage (closets, shelving, storage rooms, cellars, etc.).

Each category influences the design of the home, the arrangement, the positioning of furniture, and the design of the specific room or area.

• Use of spaces: this implies starting from defining the activities that will be carried out in each space.
• Definition of internal pathways: understanding and mapping the natural flow of pedestrian traffic should influence aspects such as the positioning of walls, the choice of furniture, the placement of doors, and many other critical interior design decisions. Additionally, there may be safety considerations regarding access, depending on industry regulations (for commercial spaces) or the personal preferences of private clients.
• Multi-functional needs of a space: each area within a home may have a primary purpose, but there could be different needs to consider to ensure that this purpose can be achieved. For example, a music room may require spaces to store instruments and sheet music, seating, space for large instruments like a piano, doors to isolate the space, etc. Defining the main purpose of the room raises further key questions on how to achieve good design and meet basic functions.

Interior design project render created with Edificius

The three moments of the design process

In general, space planning should be considered as a gradual process, ranging from general principles to specific decisions, taking into account the needs, preferences, and principles of the client.

The first step is to use a preliminary floor plan (especially if you are designing a new building or a completely new space) to designate areas with conceptual uses. These conceptual uses will be based on the four categories mentioned earlier. This means that the initial decisions will be high-level and usually involve determining whether a space should be social, private, for storage, or dedicated to a specific type of work.

In practice, you can proceed by assigning a color to each type of environment and coloring the spaces on the floor plan. This will help you understand the distribution of functions and avoid conflicts or an overly dispersed and non-functional distribution. For example, remember that it is always preferable for the bedrooms to be grouped together in the sleeping area, and that there should be filtering environments or separation elements between the private and social or work areas. If you have determined where the social space will be, decide whether you want that area to be directly adjacent to a more private area, or if it should lead to another social area such as the kitchen or dining room. These decisions will practically influence how your client entertains guests and how comfortable they will feel in their homes. The relationship between spaces is as important as the design of each individual environment!

Subsequently, move from the conceptual to the real by making more specific decisions about the layout, square footage, design appearance, etc. Once the arrangement of the types of areas has been decided, identify the environments and dimensions based also on the provisions of local regulations. There are indeed minimum dimensions, heights, and requirements for lighting and ventilation to be respected, depending on the function assigned to the spaces.

From these high-level designations, further decisions can be made to allow the project to take shape. Start understanding the furniture to be included and their arrangement. For example, what does a workspace need to be perfectly functional? Does your client need a desk, seating for clients, storage space, and more?

Once the requirements have been further refined, you can start making specific decisions on how to meet them. If you establish that a home office needs storage space, now is the time to offer specific suggestions on how it should look. Should there be built-in bookshelves? Is a locking file cabinet necessary? What style should it have?

This three-phase process, from conceptual to specific, will help you understand exactly what clients are looking for without asking them to commit to a specific project from the beginning.

Interior design rendering made with Edificius

Five principles for space planning interior design

Obviously, as in all things, there are no precise rules for a perfect project. Especially in interior design, where the end user is the measure of the space in which they will live. Let’s try, however, to summarize 5 principles that can guide you in interior design.

• Remember the prospect and refuge theory, think of spaces as having two distinct functions, which can be increased or limited depending on what the client desires and/or how much space is available. Prospect spaces overlook other environments or the outside, while refuge areas are designed for rest and retreat. Sometimes a space can include both functions.
• Design must be human-centered, it means that it must include more than just interesting decorations or architectural decisions. It must also meet psychological needs and contribute to promoting good mental and physical health for the occupants.
• Layered lighting is a great way to give rooms multiple uses and easily change the atmosphere inside the room with the simple touch of a switch (or rotation of a dimmer knob).
• Consider more than one room at a time, sometimes the relationship between multiple rooms will be partially decided for you due to their proximity or connection to other rooms with a very specific purpose or access to another room. For example, you probably wouldn’t use a room adjacent to a kitchen as a library, especially if they are directly connected. It is more natural for this area to be a dining room instead.
• Take notes of everything before starting to plan, this will make it easier to attempt to go back and move things to fit an important request that was previously forgotten. Catalog your client’s requests and the decisions you have made together so that they can be consulted when needed.

Interior render

What are the current trends in interior design

Before concluding, let’s take a brief look at the latest trends in interior design.

Just like in the fashion industry, interior design is also subject to style changes that influence our tastes and those of our clients. Let’s see what the latest trends include:

• warm and saturated colors: after years of minimalism, neutral tones, and depersonalized environments, warm and vibrant colors like purple, yellow, red, and green are coming back into fashion and are also used in contrast with each other, combining complementary shades. Combinations like purple and mustard, orange and blue allow to achieve the maximum possible contrast, for a result that is definitely impactful and full of personality;
• biophilic design: nature enters the home through elements such as natural lighting (often zenithal), plants, natural fabrics, and warm color palettes, contributing to creating more comfortable environments in harmony with the surroundings. Colors like forest green, sky blue, and terracotta dominate the 2024 palette, bringing a sense of calm and connection with the external environment. To learn more, read also Biophilic Architecture: the perfect synthesis of nature and design;
• personalization: interiors are no longer standardized, but are designed tailor-made to meet the needs, tastes, and lifestyles of each individual, with multifunctional spaces and customized design objects. The charm of vintage is also making a comeback. This year we will see a return of antique pieces and especially of modernism, combined with modern elements to create a unique mix;
• sustainability and technology: interior design focuses on the combination of sustainability, technology, comfort, and attention to detail to create spaces for personal expression and well-being. The use of new technologies, smart homes, home automation, and IoT management systems remotely, help users in managing the home and optimizing resource use;
• soft and welcoming minimalism: minimalism is no longer just rigid and neutral, but has evolved into a soft and welcoming style that uses natural materials and curved shapes to create captivating environments. Instead of gray, it is better to prefer taupe and warm up the tones of white, a chromatic choice still considered successful to emphasize the brightness and freshness of spaces;
• indoor-outdoor hybridization: outdoor spaces have become an integral part of indoor spaces, with the hybridization between outdoor and indoor spaces, using sustainable and high-performance materials and recreating small natural oases even in city apartments, with wallpapers inspired by nature and landscapes, organic shapes, large openings, green corners, and, where possible, the inclusion of porches, verandas, patios, balconies, and terraces furnished as real living spaces;
• focus on emotional and psychological comfort: the concept of comfort is no longer limited to physical well-being, but also includes emotional and psychological comfort, creating environments that nurture our well-being. The home has always had the function of shelter, refuge, and must convey hospitality and security also through design choices.

These trends are reflected in the creation of spaces that are both aesthetically pleasing and functional, personalized to meet individual needs.

The benefits of virtual tours in interior design

With the advent of new technologies applied to the construction and design sector, the way of designing spaces, verifying their functionality, and presenting them to the client has changed significantly. Photorealistic renders, virtual model tours, video presentations make the design process more interactive and limit evaluation errors already in the preliminary phase.

If you are a designer, architect, interior designer, etc., you absolutely must know these innovative techniques and propose them in your work to improve the quality of your services and be more competitive in the market.

Using 3D architectural design software is the first, essential step to take. It starts from the 3D modeling of the building to then insert furnishings, apply materials, and create a realistic virtual model to navigate in real-time, as if it were already built.

Here are just some of the benefits you can obtain:

• increased visibility: virtual tours allow you to show interior spaces realistically and in detail, increasing visibility and interest in the property;
• online presence: they allow you to have an active online presence, offering a 24/7 virtual tour and in every part of the world, even with multiple users connected remotely to the same 3D model, using specific virtual reality applications;
• interaction and engagement: virtual tours engage users in a 360° journey, creating an immersive and realistic experience that makes them feel as if they were physically present;
• personalized viewing experience: they allow you to explore the entire building firsthand and interact with the model by taking measurements and modifying spaces, materials, and furnishings for a personalized and interactive viewing experience.

To learn more, read also:

How to visualize an architectural project online with virtual reality

Virtual architecture: the best way to present your project

These benefits make virtual tours an innovative, versatile, and useful tool in interior design, allowing you to enhance the property and involve users in a 360° journey.