The difference between interior design and interior architecture (2024)

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If you’ve got a passion for designing interior spaces, then you may be exploring the different paths to pursue a career in this industry. Interior design and interior architecture are both centred around the designing of interior spaces but have different approaches to their practice.

In the article, we caught up with Fay Freeman, Course Leader for Interior Design BA(Hons), to hear about the differences between interior architecture and interior design.

What is interior architecture?

Interior architecture is the practice of sensitively and innovatively redesigning an existing interior space, while respecting its historical value. As well as considering aesthetic design, interior architecture focuses on the functionality and material construction of interior spaces. It addresses structural elements like window and door placements, ventilation, heating and plumbing, as well as interior decoration.

The below plan reflect how interior architecture is centred around adaptive reuse, where an art gallery has been redesigned to become a refugee hub. In the design, key characteristics of the original building have been retained and highlighted to help tell the story of the building’s past.

The difference between interior design and interior architecture (1)

What does an interior architect do?

An interior architect will come up with concept designs based on the functionality and structure of an existing building. Interior architects design with adaptive reuse in mind, often focusing on the sustainable re-modelling of existing buildings. They will be predominately designing for specific communities or for a particular user group and their needs. They could work on public projects such as the design of hospitals, museums, schools or theatres.

Interior architects are usually involved throughout the duration of a design project, taking conceptual schemes through to technical and material specification. During this process they will regularly communicate progress to the client as well as collaborate with a myriad of different specialists, such as structural engineers, lighting specialists, building contractors and material suppliers.

What skills do interior architects need?

An interior architect needs to have the creative skills to explore new conceptual designs and layouts to reimagine interior environments. They need to be good problem solvers and be able to pitch, model, draw, simulate and test their design proposals. They also need to be good communicators, both visually and verbally, and most importantly they need to understand the fundamentals of interior architecture and adaptive reuse.

What does an interior designer do?

An interior designer will understand the principles of design and create interior spaces for residential, hospitality, exhibition and commercial and pop-up / experiential projects. They will liaise with clients and brands to understand their needs in order to create beautiful, functional and safe spaces. Interior designers incorporate technical design, colour palettes, textiles, furniture placement and material specification to enhance the look and function of a space. During a project, interior designers may liaise with contractors, electricians, painters and plumbers to ensure the client’s brief and budget is met.

The below mood board is an example of how interior designers use a combination of colour, material and texture to create stylish interior spaces that are fit for purpose.

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What skills do interior designers need?

An interior designer needs similar skills to an interior architect, however there is more of a focus on the decorative and atmospheric aspect of design. An interior designer needs to have a good knowledge of historic design periods, colour theory, and classic design ranges. They need to have an eye for style when selecting furniture, fittings and equipment required for each unique project. Interior designers also need to be good communicators and well organised to bring a project to fruition.

What’s the difference between interior design and interior architecture?

Interior architecture focuses more on structural design, with an emphasis on adaptive reuse and the remodelling of existing buildings. Whereas interior design is the practice of creating interior atmospheres – focusing on finishes, furniture and colour palettes.

Both interior designers and interior architects have a similar set of skills but need to apply these skills in diverse ways. Interior design and interior architecture are both creative and innovative careers to work in and can help transform the way we use spaces to live, work and play.

An undergraduate degree in interior design or interior architecture gives you the opportunity to level up your skills and build a professional portfolio while you study. Through masterclasses, live projects and industry collaborations, our on-campus and online courses will help you to secure your footing in the design industry.

The difference between interior design and interior architecture (2024)

FAQs

The difference between interior design and interior architecture? ›

Interior architecture focuses more on structural design, with an emphasis on adaptive reuse and the remodelling of existing buildings. Whereas interior design is the practice of creating interior atmospheres – focusing on finishes, furniture and colour palettes.

Is there a difference between interior design and interior architecture? ›

Many people conflate the terms interior architecture and interior design , but there are significant differences worth considering. The former has a greater emphasis on functionality and technical aspects of design while the latter focuses on aesthetic elements.

Which is better, architecture or interior design? ›

Interior design projects often have shorter timelines since they focus on the interior spaces within an already existing structure. The architectural design process involves longer timelines due to the complexity of building structures, obtaining permits, and coordinating with various stakeholders.

Should I use an architect or interior designer? ›

A few big deciding factors: If you're adding or removing walls, changing staircases, installing a new kitchen or bath, or impacting the footprint, height, or grade of the home, you'll likely need an architect—even if some builder–interior designer teams may tell you otherwise.

What is the difference between architecture and design? ›

Architecture is essentially a type of design. While architecture deal with the structural plan of something, design is a plan that is employed to create something. For example, let's take a building. While the exterior structures require an architectural plan, the interiors are rather designed separately.

Can an interior designer become an interior architect? ›

Yes, an interior designer can definitely become an architect. While the two professions are distinct, there are several overlapping skills and areas of expertise that can make a transition from interior design to architecture quite feasible.

Who makes more money, an architect or an interior designer? ›

According to Indeed, the average base salary for interior designers in the U.S. is $54,666. For architects, the average base salary in the U.S. is $106,300. View What is an Interior Designer's Salary in 2022 for even more details.

Which degree is best for interior architecture? ›

The most popular major for someone interested in becoming an interior designer is interior design. Many universities offer four-year undergraduate programs in interior design, focusing on the foundations of interior design, design techniques and software programs like CAD.

Is interior architecture worth it? ›

Interior architecture is a diverse field with a multitude of specialities, and therefore, there isn't a standardised answer to what it encompasses. Nevertheless, many interior architects find their work deeply fulfilling and earn a comfortable living.

Can an architect also do interior design? ›

Many architects will offer interior design in addition to their suite of architectural services. But, all architects operate a little bit differently which is probably where some of the confusion arises.

Do interior designers create floor plans? ›

Not only can designers assist with creating the floor plan, designers can also assist with picking paint colors, finishes, tile selection and much more. When designers create floor plans, they include design elements into the plan in order to ensure that the material selection fits into the given space.

Is an architect or interior designer better for renovations? ›

The architect can handle external factors such as extensions and windows, oversee CDM health & safety, and deal with the tender process and project administration, while the interior designer can provide insights into practical living and create a cohesive interior design.

Is architecture or interior design harder? ›

Architecture is in-depth, huge, permanent, costly, slow, technical, complicated, difficult, and time-consuming. Whereas interior design is lesser in complications, has a lesser impact on the environment, is less expensive, smaller scale, and lasts for a short period of time.

Is interior design and architecture the same? ›

Interior architecture focuses more on structural design, with an emphasis on adaptive reuse and the remodelling of existing buildings. Whereas interior design is the practice of creating interior atmospheres – focusing on finishes, furniture and colour palettes.

Do I need a designer or an architect? ›

If you are looking to retrofit your house or want to rebuild your house, then hiring an architect is the right choice. But if you want to renovate your home with some remodeling, then an interior designer should be hired.

Is interior architecture a good degree? ›

This demand ensures a consistent flow of job opportunities for interior architects. Interior architects who specialise in optimising spaces and creating functional and safe interior environments are highly valued.

Does interior architecture require math? ›

Because being an interior designer is similar to being an architect, math is required for deciding everything from the placement of weight-bearing columns to properly spacing lighting fixtures.

Is interior design a hard degree? ›

“Many people think that interior design is simple—it's not,” stresses Lomanto. “It's a very complex, detail-driven industry that requires technical knowledge to get it right.”

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